Home / 20,300,841.81-30,459,238.28-8,933,318.82

Finding the Fourth Proportional to 20,300,841.81, 30,459,238.28 and 8,933,318.82

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Solution

The fourth proportional to 20,300,841.81, 30,459,238.28 and 8,933,318.82 is: 13,403,487.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,300,841.81 : 30,459,238.28 = 8,933,318.82 : x
  2. Step 2: Convert to fraction form
    20,300,841.81/30,459,238.28 = 8,933,318.82/x
  3. Step 3: Cross multiply
    20,300,841.81x = 30,459,238.28 × 8,933,318.82
  4. Step 4: Simplify right side
    20,300,841.81x = 272,102,086,524,921.84
  5. Step 5: Solve for x
    x = 272,102,086,524,921.84/20,300,841.81
  6. Step 6: Final answer
    x = 13,403,487.85

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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.