Home / 21,862,886.60-32,719,680.30-20,071,296.20

Finding the Fourth Proportional to 21,862,886.60, 32,719,680.30 and 20,071,296.20

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Solution

The fourth proportional to 21,862,886.60, 32,719,680.30 and 20,071,296.20 is: 30,038,411.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,862,886.60 : 32,719,680.30 = 20,071,296.20 : x
  2. Step 2: Convert to fraction form
    21,862,886.60/32,719,680.30 = 20,071,296.20/x
  3. Step 3: Cross multiply
    21,862,886.60x = 32,719,680.30 × 20,071,296.20
  4. Step 4: Simplify right side
    21,862,886.60x = 656,726,394,870,604.88
  5. Step 5: Solve for x
    x = 656,726,394,870,604.88/21,862,886.60
  6. Step 6: Final answer
    x = 30,038,411.98

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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.