Home / 20,156,793.35-30,233,501.56-10,430,924.80

Finding the Fourth Proportional to 20,156,793.35, 30,233,501.56 and 10,430,924.80

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Solution

The fourth proportional to 20,156,793.35, 30,233,501.56 and 10,430,924.80 is: 15,645,513.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,156,793.35 : 30,233,501.56 = 10,430,924.80 : x
  2. Step 2: Convert to fraction form
    20,156,793.35/30,233,501.56 = 10,430,924.80/x
  3. Step 3: Cross multiply
    20,156,793.35x = 30,233,501.56 × 10,430,924.80
  4. Step 4: Simplify right side
    20,156,793.35x = 315,363,381,148,511.44
  5. Step 5: Solve for x
    x = 315,363,381,148,511.44/20,156,793.35
  6. Step 6: Final answer
    x = 15,645,513.43

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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.