Home / 21,423,613.20-32,082,275.70-17,172,085.20

Finding the Fourth Proportional to 21,423,613.20, 32,082,275.70 and 17,172,085.20

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Solution

The fourth proportional to 21,423,613.20, 32,082,275.70 and 17,172,085.20 is: 25,715,530.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,423,613.20 : 32,082,275.70 = 17,172,085.20 : x
  2. Step 2: Convert to fraction form
    21,423,613.20/32,082,275.70 = 17,172,085.20/x
  3. Step 3: Cross multiply
    21,423,613.20x = 32,082,275.70 × 17,172,085.20
  4. Step 4: Simplify right side
    21,423,613.20x = 550,919,571,730,289.62
  5. Step 5: Solve for x
    x = 550,919,571,730,289.62/21,423,613.20
  6. Step 6: Final answer
    x = 25,715,530.18

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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.