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Finding the Fourth Proportional to 17,959,423.56, 24,784,006.04 and 9,810,661.56

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Solution

The fourth proportional to 17,959,423.56, 24,784,006.04 and 9,810,661.56 is: 13,538,713.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,959,423.56 : 24,784,006.04 = 9,810,661.56 : x
  2. Step 2: Convert to fraction form
    17,959,423.56/24,784,006.04 = 9,810,661.56/x
  3. Step 3: Cross multiply
    17,959,423.56x = 24,784,006.04 × 9,810,661.56
  4. Step 4: Simplify right side
    17,959,423.56x = 243,147,495,310,382.53
  5. Step 5: Solve for x
    x = 243,147,495,310,382.53/17,959,423.56
  6. Step 6: Final answer
    x = 13,538,713.78

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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.