Home / 15,859,834.10-21,887,654.02-8,984,372.66

Finding the Fourth Proportional to 15,859,834.10, 21,887,654.02 and 8,984,372.66

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Solution

The fourth proportional to 15,859,834.10, 21,887,654.02 and 8,984,372.66 is: 12,399,047.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,859,834.10 : 21,887,654.02 = 8,984,372.66 : x
  2. Step 2: Convert to fraction form
    15,859,834.10/21,887,654.02 = 8,984,372.66/x
  3. Step 3: Cross multiply
    15,859,834.10x = 21,887,654.02 × 8,984,372.66
  4. Step 4: Simplify right side
    15,859,834.10x = 196,646,840,323,905.25
  5. Step 5: Solve for x
    x = 196,646,840,323,905.25/15,859,834.10
  6. Step 6: Final answer
    x = 12,399,047.75

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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.