Home / 20,656,524.60-30,985,953.30-6,280,061.40

Finding the Fourth Proportional to 20,656,524.60, 30,985,953.30 and 6,280,061.40

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Solution

The fourth proportional to 20,656,524.60, 30,985,953.30 and 6,280,061.40 is: 9,420,446.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,656,524.60 : 30,985,953.30 = 6,280,061.40 : x
  2. Step 2: Convert to fraction form
    20,656,524.60/30,985,953.30 = 6,280,061.40/x
  3. Step 3: Cross multiply
    20,656,524.60x = 30,985,953.30 × 6,280,061.40
  4. Step 4: Simplify right side
    20,656,524.60x = 194,593,689,261,532.62
  5. Step 5: Solve for x
    x = 194,593,689,261,532.62/20,656,524.60
  6. Step 6: Final answer
    x = 9,420,446.71

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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.