Home / 15,664,199.90-21,615,513.71-8,694,329.18

Finding the Fourth Proportional to 15,664,199.90, 21,615,513.71 and 8,694,329.18

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Solution

The fourth proportional to 15,664,199.90, 21,615,513.71 and 8,694,329.18 is: 11,997,573.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,664,199.90 : 21,615,513.71 = 8,694,329.18 : x
  2. Step 2: Convert to fraction form
    15,664,199.90/21,615,513.71 = 8,694,329.18/x
  3. Step 3: Cross multiply
    15,664,199.90x = 21,615,513.71 × 8,694,329.18
  4. Step 4: Simplify right side
    15,664,199.90x = 187,932,391,437,993.84
  5. Step 5: Solve for x
    x = 187,932,391,437,993.84/15,664,199.90
  6. Step 6: Final answer
    x = 11,997,573.62

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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.