Home / 12,934,123.75-19,393,371-5,154,234.76

Finding the Fourth Proportional to 12,934,123.75, 19,393,371 and 5,154,234.76

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Solution

The fourth proportional to 12,934,123.75, 19,393,371 and 5,154,234.76 is: 7,728,238.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,934,123.75 : 19,393,371 = 5,154,234.76 : x
  2. Step 2: Convert to fraction form
    12,934,123.75/19,393,371 = 5,154,234.76/x
  3. Step 3: Cross multiply
    12,934,123.75x = 19,393,371 × 5,154,234.76
  4. Step 4: Simplify right side
    12,934,123.75x = 99,957,986,921,775.95
  5. Step 5: Solve for x
    x = 99,957,986,921,775.95/12,934,123.75
  6. Step 6: Final answer
    x = 7,728,238.02

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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.