Home / 21,435,154.56-29,580,849-11,645,792.64

Finding the Fourth Proportional to 21,435,154.56, 29,580,849 and 11,645,792.64

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Solution

The fourth proportional to 21,435,154.56, 29,580,849 and 11,645,792.64 is: 16,071,376.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,435,154.56 : 29,580,849 = 11,645,792.64 : x
  2. Step 2: Convert to fraction form
    21,435,154.56/29,580,849 = 11,645,792.64/x
  3. Step 3: Cross multiply
    21,435,154.56x = 29,580,849 × 11,645,792.64
  4. Step 4: Simplify right side
    21,435,154.56x = 344,492,433,569,151.38
  5. Step 5: Solve for x
    x = 344,492,433,569,151.38/21,435,154.56
  6. Step 6: Final answer
    x = 16,071,376.23

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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.