Home / 20,654,525.80-30,984,741.15-7,008,301.90

Finding the Fourth Proportional to 20,654,525.80, 30,984,741.15 and 7,008,301.90

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Solution

The fourth proportional to 20,654,525.80, 30,984,741.15 and 7,008,301.90 is: 10,513,454.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,654,525.80 : 30,984,741.15 = 7,008,301.90 : x
  2. Step 2: Convert to fraction form
    20,654,525.80/30,984,741.15 = 7,008,301.90/x
  3. Step 3: Cross multiply
    20,654,525.80x = 30,984,741.15 × 7,008,301.90
  4. Step 4: Simplify right side
    20,654,525.80x = 217,150,420,272,553.19
  5. Step 5: Solve for x
    x = 217,150,420,272,553.19/20,654,525.80
  6. Step 6: Final answer
    x = 10,513,454.65

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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.