Home / 21,708,287.73-32,519,861.64-12,591,231.48

Finding the Fourth Proportional to 21,708,287.73, 32,519,861.64 and 12,591,231.48

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Solution

The fourth proportional to 21,708,287.73, 32,519,861.64 and 12,591,231.48 is: 18,862,155.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,708,287.73 : 32,519,861.64 = 12,591,231.48 : x
  2. Step 2: Convert to fraction form
    21,708,287.73/32,519,861.64 = 12,591,231.48/x
  3. Step 3: Cross multiply
    21,708,287.73x = 32,519,861.64 × 12,591,231.48
  4. Step 4: Simplify right side
    21,708,287.73x = 409,465,105,606,812.44
  5. Step 5: Solve for x
    x = 409,465,105,606,812.44/21,708,287.73
  6. Step 6: Final answer
    x = 18,862,155.81

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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.