Home / 15,672,265.31-21,628,267.27-8,703,059.57

Finding the Fourth Proportional to 15,672,265.31, 21,628,267.27 and 8,703,059.57

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Solution

The fourth proportional to 15,672,265.31, 21,628,267.27 and 8,703,059.57 is: 12,010,522.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,672,265.31 : 21,628,267.27 = 8,703,059.57 : x
  2. Step 2: Convert to fraction form
    15,672,265.31/21,628,267.27 = 8,703,059.57/x
  3. Step 3: Cross multiply
    15,672,265.31x = 21,628,267.27 × 8,703,059.57
  4. Step 4: Simplify right side
    15,672,265.31x = 188,232,098,316,792.25
  5. Step 5: Solve for x
    x = 188,232,098,316,792.25/15,672,265.31
  6. Step 6: Final answer
    x = 12,010,522.70

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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.