Home / 13,443,517.12-20,165,172-3,346,070.08

Finding the Fourth Proportional to 13,443,517.12, 20,165,172 and 3,346,070.08

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Solution

The fourth proportional to 13,443,517.12, 20,165,172 and 3,346,070.08 is: 5,019,079.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,443,517.12 : 20,165,172 = 3,346,070.08 : x
  2. Step 2: Convert to fraction form
    13,443,517.12/20,165,172 = 3,346,070.08/x
  3. Step 3: Cross multiply
    13,443,517.12x = 20,165,172 × 3,346,070.08
  4. Step 4: Simplify right side
    13,443,517.12x = 67,474,078,687,253.76
  5. Step 5: Solve for x
    x = 67,474,078,687,253.76/13,443,517.12
  6. Step 6: Final answer
    x = 5,019,079.31

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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.