Home / 21,805,057.20-32,707,585.80-15,002,612.40

Finding the Fourth Proportional to 21,805,057.20, 32,707,585.80 and 15,002,612.40

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Solution

The fourth proportional to 21,805,057.20, 32,707,585.80 and 15,002,612.40 is: 22,503,918.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,805,057.20 : 32,707,585.80 = 15,002,612.40 : x
  2. Step 2: Convert to fraction form
    21,805,057.20/32,707,585.80 = 15,002,612.40/x
  3. Step 3: Cross multiply
    21,805,057.20x = 32,707,585.80 × 15,002,612.40
  4. Step 4: Simplify right side
    21,805,057.20x = 490,699,232,297,143.94
  5. Step 5: Solve for x
    x = 490,699,232,297,143.94/21,805,057.20
  6. Step 6: Final answer
    x = 22,503,918.60

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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.