Home / 17,721,617.20-26,582,425.80-13,416,945.10

Finding the Fourth Proportional to 17,721,617.20, 26,582,425.80 and 13,416,945.10

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Solution

The fourth proportional to 17,721,617.20, 26,582,425.80 and 13,416,945.10 is: 20,125,417.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,721,617.20 : 26,582,425.80 = 13,416,945.10 : x
  2. Step 2: Convert to fraction form
    17,721,617.20/26,582,425.80 = 13,416,945.10/x
  3. Step 3: Cross multiply
    17,721,617.20x = 26,582,425.80 × 13,416,945.10
  4. Step 4: Simplify right side
    17,721,617.20x = 356,654,947,583,423.56
  5. Step 5: Solve for x
    x = 356,654,947,583,423.56/17,721,617.20
  6. Step 6: Final answer
    x = 20,125,417.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.