Home / 38,080,974.96-57,123,299.52-12,521,418.48

Finding the Fourth Proportional to 38,080,974.96, 57,123,299.52 and 12,521,418.48

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Solution

The fourth proportional to 38,080,974.96, 57,123,299.52 and 12,521,418.48 is: 18,782,731.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,080,974.96 : 57,123,299.52 = 12,521,418.48 : x
  2. Step 2: Convert to fraction form
    38,080,974.96/57,123,299.52 = 12,521,418.48/x
  3. Step 3: Cross multiply
    38,080,974.96x = 57,123,299.52 × 12,521,418.48
  4. Step 4: Simplify right side
    38,080,974.96x = 715,264,738,248,303.25
  5. Step 5: Solve for x
    x = 715,264,738,248,303.25/38,080,974.96
  6. Step 6: Final answer
    x = 18,782,731.77

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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.