Home / 28,607,591.15-39,478,969.26-15,554,938.26

Finding the Fourth Proportional to 28,607,591.15, 39,478,969.26 and 15,554,938.26

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Solution

The fourth proportional to 28,607,591.15, 39,478,969.26 and 15,554,938.26 is: 21,466,083.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,607,591.15 : 39,478,969.26 = 15,554,938.26 : x
  2. Step 2: Convert to fraction form
    28,607,591.15/39,478,969.26 = 15,554,938.26/x
  3. Step 3: Cross multiply
    28,607,591.15x = 39,478,969.26 × 15,554,938.26
  4. Step 4: Simplify right side
    28,607,591.15x = 614,092,929,407,737.88
  5. Step 5: Solve for x
    x = 614,092,929,407,737.88/28,607,591.15
  6. Step 6: Final answer
    x = 21,466,083.12

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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.