Home / 31,581,658.12-47,377,006.12-9,723,886.77

Finding the Fourth Proportional to 31,581,658.12, 47,377,006.12 and 9,723,886.77

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Solution

The fourth proportional to 31,581,658.12, 47,377,006.12 and 9,723,886.77 is: 14,587,221.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,581,658.12 : 47,377,006.12 = 9,723,886.77 : x
  2. Step 2: Convert to fraction form
    31,581,658.12/47,377,006.12 = 9,723,886.77/x
  3. Step 3: Cross multiply
    31,581,658.12x = 47,377,006.12 × 9,723,886.77
  4. Step 4: Simplify right side
    31,581,658.12x = 460,688,643,012,477
  5. Step 5: Solve for x
    x = 460,688,643,012,477/31,581,658.12
  6. Step 6: Final answer
    x = 14,587,221.52

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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.