Home / 8,381,471.30-12,553,544.55-7,261,727.30

Finding the Fourth Proportional to 8,381,471.30, 12,553,544.55 and 7,261,727.30

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Solution

The fourth proportional to 8,381,471.30, 12,553,544.55 and 7,261,727.30 is: 10,876,421.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,381,471.30 : 12,553,544.55 = 7,261,727.30 : x
  2. Step 2: Convert to fraction form
    8,381,471.30/12,553,544.55 = 7,261,727.30/x
  3. Step 3: Cross multiply
    8,381,471.30x = 12,553,544.55 × 7,261,727.30
  4. Step 4: Simplify right side
    8,381,471.30x = 91,160,417,170,501.22
  5. Step 5: Solve for x
    x = 91,160,417,170,501.22/8,381,471.30
  6. Step 6: Final answer
    x = 10,876,421.80

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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.