Home / 19,488,833.40-29,233,250.10-13,442,215.80

Finding the Fourth Proportional to 19,488,833.40, 29,233,250.10 and 13,442,215.80

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Solution

The fourth proportional to 19,488,833.40, 29,233,250.10 and 13,442,215.80 is: 20,163,323.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,488,833.40 : 29,233,250.10 = 13,442,215.80 : x
  2. Step 2: Convert to fraction form
    19,488,833.40/29,233,250.10 = 13,442,215.80/x
  3. Step 3: Cross multiply
    19,488,833.40x = 29,233,250.10 × 13,442,215.80
  4. Step 4: Simplify right side
    19,488,833.40x = 392,959,656,379,571.62
  5. Step 5: Solve for x
    x = 392,959,656,379,571.62/19,488,833.40
  6. Step 6: Final answer
    x = 20,163,323.70

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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.