Home / 31,719,241.12-47,578,705.68-9,000,179.68

Finding the Fourth Proportional to 31,719,241.12, 47,578,705.68 and 9,000,179.68

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Solution

The fourth proportional to 31,719,241.12, 47,578,705.68 and 9,000,179.68 is: 13,500,225.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,719,241.12 : 47,578,705.68 = 9,000,179.68 : x
  2. Step 2: Convert to fraction form
    31,719,241.12/47,578,705.68 = 9,000,179.68/x
  3. Step 3: Cross multiply
    31,719,241.12x = 47,578,705.68 × 9,000,179.68
  4. Step 4: Simplify right side
    31,719,241.12x = 428,216,900,061,836.56
  5. Step 5: Solve for x
    x = 428,216,900,061,836.56/31,719,241.12
  6. Step 6: Final answer
    x = 13,500,225.26

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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.