Home / 15,732,214,042.73-21,710,478,698.21-8,958,038,127.71

Finding the Fourth Proportional to 15,732,214,042.73, 21,710,478,698.21 and 8,958,038,127.71

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Solution

The fourth proportional to 15,732,214,042.73, 21,710,478,698.21 and 8,958,038,127.71 is: 12,362,105,894.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,732,214,042.73 : 21,710,478,698.21 = 8,958,038,127.71 : x
  2. Step 2: Convert to fraction form
    15,732,214,042.73/21,710,478,698.21 = 8,958,038,127.71/x
  3. Step 3: Cross multiply
    15,732,214,042.73x = 21,710,478,698.21 × 8,958,038,127.71
  4. Step 4: Simplify right side
    15,732,214,042.73x = 194,483,295,949,328,220,160
  5. Step 5: Solve for x
    x = 194,483,295,949,328,220,160/15,732,214,042.73
  6. Step 6: Final answer
    x = 12,362,105,894.39

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.