Home / 39,817,271.92-54,918,499.17-30,028,128.70

Finding the Fourth Proportional to 39,817,271.92, 54,918,499.17 and 30,028,128.70

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Solution

The fourth proportional to 39,817,271.92, 54,918,499.17 and 30,028,128.70 is: 41,416,693.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,817,271.92 : 54,918,499.17 = 30,028,128.70 : x
  2. Step 2: Convert to fraction form
    39,817,271.92/54,918,499.17 = 30,028,128.70/x
  3. Step 3: Cross multiply
    39,817,271.92x = 54,918,499.17 × 30,028,128.70
  4. Step 4: Simplify right side
    39,817,271.92x = 1,649,099,761,062,912.50
  5. Step 5: Solve for x
    x = 1,649,099,761,062,912.50/39,817,271.92
  6. Step 6: Final answer
    x = 41,416,693.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.