Home / 8,657,939.92-12,961,018.52-5,235,869.94

Finding the Fourth Proportional to 8,657,939.92, 12,961,018.52 and 5,235,869.94

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Solution

The fourth proportional to 8,657,939.92, 12,961,018.52 and 5,235,869.94 is: 7,838,147.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,657,939.92 : 12,961,018.52 = 5,235,869.94 : x
  2. Step 2: Convert to fraction form
    8,657,939.92/12,961,018.52 = 5,235,869.94/x
  3. Step 3: Cross multiply
    8,657,939.92x = 12,961,018.52 × 5,235,869.94
  4. Step 4: Simplify right side
    8,657,939.92x = 67,862,207,260,651.29
  5. Step 5: Solve for x
    x = 67,862,207,260,651.29/8,657,939.92
  6. Step 6: Final answer
    x = 7,838,147.17

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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.