Home / 21,870,140.80-32,805,211.20-17,618,612.80

Finding the Fourth Proportional to 21,870,140.80, 32,805,211.20 and 17,618,612.80

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Solution

The fourth proportional to 21,870,140.80, 32,805,211.20 and 17,618,612.80 is: 26,427,919.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,870,140.80 : 32,805,211.20 = 17,618,612.80 : x
  2. Step 2: Convert to fraction form
    21,870,140.80/32,805,211.20 = 17,618,612.80/x
  3. Step 3: Cross multiply
    21,870,140.80x = 32,805,211.20 × 17,618,612.80
  4. Step 4: Simplify right side
    21,870,140.80x = 577,982,313,955,023.38
  5. Step 5: Solve for x
    x = 577,982,313,955,023.38/21,870,140.80
  6. Step 6: Final answer
    x = 26,427,919.20

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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.