Home / 42,213,481.68-63,319,555.46-13,459,422.90

Finding the Fourth Proportional to 42,213,481.68, 63,319,555.46 and 13,459,422.90

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Solution

The fourth proportional to 42,213,481.68, 63,319,555.46 and 13,459,422.90 is: 20,188,921.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,213,481.68 : 63,319,555.46 = 13,459,422.90 : x
  2. Step 2: Convert to fraction form
    42,213,481.68/63,319,555.46 = 13,459,422.90/x
  3. Step 3: Cross multiply
    42,213,481.68x = 63,319,555.46 × 13,459,422.90
  4. Step 4: Simplify right side
    42,213,481.68x = 852,244,674,776,144.12
  5. Step 5: Solve for x
    x = 852,244,674,776,144.12/42,213,481.68
  6. Step 6: Final answer
    x = 20,188,921.66

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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.