Home / 38,325,711.40-57,488,567.10-19,159,426.60

Finding the Fourth Proportional to 38,325,711.40, 57,488,567.10 and 19,159,426.60

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Solution

The fourth proportional to 38,325,711.40, 57,488,567.10 and 19,159,426.60 is: 28,739,139.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,325,711.40 : 57,488,567.10 = 19,159,426.60 : x
  2. Step 2: Convert to fraction form
    38,325,711.40/57,488,567.10 = 19,159,426.60/x
  3. Step 3: Cross multiply
    38,325,711.40x = 57,488,567.10 × 19,159,426.60
  4. Step 4: Simplify right side
    38,325,711.40x = 1,101,447,981,691,625
  5. Step 5: Solve for x
    x = 1,101,447,981,691,625/38,325,711.40
  6. Step 6: Final answer
    x = 28,739,139.90

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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.