Home / 19,488,834.40-29,233,251.60-13,442,216.80

Finding the Fourth Proportional to 19,488,834.40, 29,233,251.60 and 13,442,216.80

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Solution

The fourth proportional to 19,488,834.40, 29,233,251.60 and 13,442,216.80 is: 20,163,325.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,488,834.40 : 29,233,251.60 = 13,442,216.80 : x
  2. Step 2: Convert to fraction form
    19,488,834.40/29,233,251.60 = 13,442,216.80/x
  3. Step 3: Cross multiply
    19,488,834.40x = 29,233,251.60 × 13,442,216.80
  4. Step 4: Simplify right side
    19,488,834.40x = 392,959,705,776,146.94
  5. Step 5: Solve for x
    x = 392,959,705,776,146.94/19,488,834.40
  6. Step 6: Final answer
    x = 20,163,325.20

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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.