Home / 20,736,138.20-31,104,207.30-19,224,483.80

Finding the Fourth Proportional to 20,736,138.20, 31,104,207.30 and 19,224,483.80

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Solution

The fourth proportional to 20,736,138.20, 31,104,207.30 and 19,224,483.80 is: 28,836,725.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,736,138.20 : 31,104,207.30 = 19,224,483.80 : x
  2. Step 2: Convert to fraction form
    20,736,138.20/31,104,207.30 = 19,224,483.80/x
  3. Step 3: Cross multiply
    20,736,138.20x = 31,104,207.30 × 19,224,483.80
  4. Step 4: Simplify right side
    20,736,138.20x = 597,962,329,350,691.75
  5. Step 5: Solve for x
    x = 597,962,329,350,691.75/20,736,138.20
  6. Step 6: Final answer
    x = 28,836,725.70

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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.