Home / 38,178,315.48-57,276,442.68-12,619,324.92

Finding the Fourth Proportional to 38,178,315.48, 57,276,442.68 and 12,619,324.92

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Solution

The fourth proportional to 38,178,315.48, 57,276,442.68 and 12,619,324.92 is: 18,931,952.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,178,315.48 : 57,276,442.68 = 12,619,324.92 : x
  2. Step 2: Convert to fraction form
    38,178,315.48/57,276,442.68 = 12,619,324.92/x
  3. Step 3: Cross multiply
    38,178,315.48x = 57,276,442.68 × 12,619,324.92
  4. Step 4: Simplify right side
    38,178,315.48x = 722,790,040,440,675.62
  5. Step 5: Solve for x
    x = 722,790,040,440,675.62/38,178,315.48
  6. Step 6: Final answer
    x = 18,931,952.11

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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.