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Finding the Fourth Proportional to 19,375,062.40, 29,062,593.60 and 8,011,734.40

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Solution

The fourth proportional to 19,375,062.40, 29,062,593.60 and 8,011,734.40 is: 12,017,601.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,375,062.40 : 29,062,593.60 = 8,011,734.40 : x
  2. Step 2: Convert to fraction form
    19,375,062.40/29,062,593.60 = 8,011,734.40/x
  3. Step 3: Cross multiply
    19,375,062.40x = 29,062,593.60 × 8,011,734.40
  4. Step 4: Simplify right side
    19,375,062.40x = 232,841,780,898,339.88
  5. Step 5: Solve for x
    x = 232,841,780,898,339.88/19,375,062.40
  6. Step 6: Final answer
    x = 12,017,601.60

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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.