Home / 20,723,159,038.70-28,597,959,252.07-11,207,710,788.14

Finding the Fourth Proportional to 20,723,159,038.70, 28,597,959,252.07 and 11,207,710,788.14

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Solution

The fourth proportional to 20,723,159,038.70, 28,597,959,252.07 and 11,207,710,788.14 is: 15,466,640,767.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,723,159,038.70 : 28,597,959,252.07 = 11,207,710,788.14 : x
  2. Step 2: Convert to fraction form
    20,723,159,038.70/28,597,959,252.07 = 11,207,710,788.14/x
  3. Step 3: Cross multiply
    20,723,159,038.70x = 28,597,959,252.07 × 11,207,710,788.14
  4. Step 4: Simplify right side
    20,723,159,038.70x = 320,517,656,428,236,636,160
  5. Step 5: Solve for x
    x = 320,517,656,428,236,636,160/20,723,159,038.70
  6. Step 6: Final answer
    x = 15,466,640,767.93

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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.