Home / 15,651,957.24-21,581,262.54-14,491,155.96

Finding the Fourth Proportional to 15,651,957.24, 21,581,262.54 and 14,491,155.96

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Solution

The fourth proportional to 15,651,957.24, 21,581,262.54 and 14,491,155.96 is: 19,980,724.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,651,957.24 : 21,581,262.54 = 14,491,155.96 : x
  2. Step 2: Convert to fraction form
    15,651,957.24/21,581,262.54 = 14,491,155.96/x
  3. Step 3: Cross multiply
    15,651,957.24x = 21,581,262.54 × 14,491,155.96
  4. Step 4: Simplify right side
    15,651,957.24x = 312,737,441,280,845.75
  5. Step 5: Solve for x
    x = 312,737,441,280,845.75/15,651,957.24
  6. Step 6: Final answer
    x = 19,980,724.23

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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.