Home / 21,862,938.60-32,719,758.30-20,071,348.20

Finding the Fourth Proportional to 21,862,938.60, 32,719,758.30 and 20,071,348.20

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Solution

The fourth proportional to 21,862,938.60, 32,719,758.30 and 20,071,348.20 is: 30,038,489.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,862,938.60 : 32,719,758.30 = 20,071,348.20 : x
  2. Step 2: Convert to fraction form
    21,862,938.60/32,719,758.30 = 20,071,348.20/x
  3. Step 3: Cross multiply
    21,862,938.60x = 32,719,758.30 × 20,071,348.20
  4. Step 4: Simplify right side
    21,862,938.60x = 656,729,661,859,140
  5. Step 5: Solve for x
    x = 656,729,661,859,140/21,862,938.60
  6. Step 6: Final answer
    x = 30,038,489.97

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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.