Home / 38,656,172.20-57,991,256.70-19,438,565.80

Finding the Fourth Proportional to 38,656,172.20, 57,991,256.70 and 19,438,565.80

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Solution

The fourth proportional to 38,656,172.20, 57,991,256.70 and 19,438,565.80 is: 29,161,367.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,656,172.20 : 57,991,256.70 = 19,438,565.80 : x
  2. Step 2: Convert to fraction form
    38,656,172.20/57,991,256.70 = 19,438,565.80/x
  3. Step 3: Cross multiply
    38,656,172.20x = 57,991,256.70 × 19,438,565.80
  4. Step 4: Simplify right side
    38,656,172.20x = 1,127,266,859,187,641
  5. Step 5: Solve for x
    x = 1,127,266,859,187,641/38,656,172.20
  6. Step 6: Final answer
    x = 29,161,367.90

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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.