Home / 20,318,163.17-30,480,219.07-9,536,559.17

Finding the Fourth Proportional to 20,318,163.17, 30,480,219.07 and 9,536,559.17

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Solution

The fourth proportional to 20,318,163.17, 30,480,219.07 and 9,536,559.17 is: 14,306,234.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,318,163.17 : 30,480,219.07 = 9,536,559.17 : x
  2. Step 2: Convert to fraction form
    20,318,163.17/30,480,219.07 = 9,536,559.17/x
  3. Step 3: Cross multiply
    20,318,163.17x = 30,480,219.07 × 9,536,559.17
  4. Step 4: Simplify right side
    20,318,163.17x = 290,676,412,499,374.81
  5. Step 5: Solve for x
    x = 290,676,412,499,374.81/20,318,163.17
  6. Step 6: Final answer
    x = 14,306,234.78

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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.