Home / 13,387,002.30-20,080,503.45-9,135,474.30

Finding the Fourth Proportional to 13,387,002.30, 20,080,503.45 and 9,135,474.30

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Solution

The fourth proportional to 13,387,002.30, 20,080,503.45 and 9,135,474.30 is: 13,703,211.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,387,002.30 : 20,080,503.45 = 9,135,474.30 : x
  2. Step 2: Convert to fraction form
    13,387,002.30/20,080,503.45 = 9,135,474.30/x
  3. Step 3: Cross multiply
    13,387,002.30x = 20,080,503.45 × 9,135,474.30
  4. Step 4: Simplify right side
    13,387,002.30x = 183,444,923,198,536.34
  5. Step 5: Solve for x
    x = 183,444,923,198,536.34/13,387,002.30
  6. Step 6: Final answer
    x = 13,703,211.45

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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.