Home / 19,488,017.20-29,232,025.80-18,442,922.80

Finding the Fourth Proportional to 19,488,017.20, 29,232,025.80 and 18,442,922.80

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Solution

The fourth proportional to 19,488,017.20, 29,232,025.80 and 18,442,922.80 is: 27,664,384.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,488,017.20 : 29,232,025.80 = 18,442,922.80 : x
  2. Step 2: Convert to fraction form
    19,488,017.20/29,232,025.80 = 18,442,922.80/x
  3. Step 3: Cross multiply
    19,488,017.20x = 29,232,025.80 × 18,442,922.80
  4. Step 4: Simplify right side
    19,488,017.20x = 539,123,995,117,008.25
  5. Step 5: Solve for x
    x = 539,123,995,117,008.25/19,488,017.20
  6. Step 6: Final answer
    x = 27,664,384.20

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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.