Home / 18,655,344.60-28,025,007.30-18,151,459.80

Finding the Fourth Proportional to 18,655,344.60, 28,025,007.30 and 18,151,459.80

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Solution

The fourth proportional to 18,655,344.60, 28,025,007.30 and 18,151,459.80 is: 27,268,045.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,655,344.60 : 28,025,007.30 = 18,151,459.80 : x
  2. Step 2: Convert to fraction form
    18,655,344.60/28,025,007.30 = 18,151,459.80/x
  3. Step 3: Cross multiply
    18,655,344.60x = 28,025,007.30 × 18,151,459.80
  4. Step 4: Simplify right side
    18,655,344.60x = 508,694,793,400,656.56
  5. Step 5: Solve for x
    x = 508,694,793,400,656.56/18,655,344.60
  6. Step 6: Final answer
    x = 27,268,045.93

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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.