Home / 20,143,146.30-30,214,719.45-17,403,272.70

Finding the Fourth Proportional to 20,143,146.30, 30,214,719.45 and 17,403,272.70

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Solution

The fourth proportional to 20,143,146.30, 30,214,719.45 and 17,403,272.70 is: 26,104,909.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,143,146.30 : 30,214,719.45 = 17,403,272.70 : x
  2. Step 2: Convert to fraction form
    20,143,146.30/30,214,719.45 = 17,403,272.70/x
  3. Step 3: Cross multiply
    20,143,146.30x = 30,214,719.45 × 17,403,272.70
  4. Step 4: Simplify right side
    20,143,146.30x = 525,835,002,142,344
  5. Step 5: Solve for x
    x = 525,835,002,142,344/20,143,146.30
  6. Step 6: Final answer
    x = 26,104,909.05

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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.