Home / 38,081,012.46-57,123,355.78-12,521,455.98

Finding the Fourth Proportional to 38,081,012.46, 57,123,355.78 and 12,521,455.98

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Solution

The fourth proportional to 38,081,012.46, 57,123,355.78 and 12,521,455.98 is: 18,782,788.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,081,012.46 : 57,123,355.78 = 12,521,455.98 : x
  2. Step 2: Convert to fraction form
    38,081,012.46/57,123,355.78 = 12,521,455.98/x
  3. Step 3: Cross multiply
    38,081,012.46x = 57,123,355.78 × 12,521,455.98
  4. Step 4: Simplify right side
    38,081,012.46x = 715,267,584,829,148.62
  5. Step 5: Solve for x
    x = 715,267,584,829,148.62/38,081,012.46
  6. Step 6: Final answer
    x = 18,782,788.03

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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.