Home / 22,500,872.11-31,051,204.50-12,187,595.21

Finding the Fourth Proportional to 22,500,872.11, 31,051,204.50 and 12,187,595.21

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Solution

The fourth proportional to 22,500,872.11, 31,051,204.50 and 12,187,595.21 is: 16,818,881.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,500,872.11 : 31,051,204.50 = 12,187,595.21 : x
  2. Step 2: Convert to fraction form
    22,500,872.11/31,051,204.50 = 12,187,595.21/x
  3. Step 3: Cross multiply
    22,500,872.11x = 31,051,204.50 × 12,187,595.21
  4. Step 4: Simplify right side
    22,500,872.11x = 378,439,511,119,377.94
  5. Step 5: Solve for x
    x = 378,439,511,119,377.94/22,500,872.11
  6. Step 6: Final answer
    x = 16,818,881.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.