Home / 20,160,700.20-30,241,050.30-7,381,621.80

Finding the Fourth Proportional to 20,160,700.20, 30,241,050.30 and 7,381,621.80

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Solution

The fourth proportional to 20,160,700.20, 30,241,050.30 and 7,381,621.80 is: 11,072,432.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,160,700.20 : 30,241,050.30 = 7,381,621.80 : x
  2. Step 2: Convert to fraction form
    20,160,700.20/30,241,050.30 = 7,381,621.80/x
  3. Step 3: Cross multiply
    20,160,700.20x = 30,241,050.30 × 7,381,621.80
  4. Step 4: Simplify right side
    20,160,700.20x = 223,227,996,149,376.53
  5. Step 5: Solve for x
    x = 223,227,996,149,376.53/20,160,700.20
  6. Step 6: Final answer
    x = 11,072,432.70

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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.