Home / 18,862,699.92-28,294,046.23-8,073,004.20

Finding the Fourth Proportional to 18,862,699.92, 28,294,046.23 and 8,073,004.20

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Solution

The fourth proportional to 18,862,699.92, 28,294,046.23 and 8,073,004.20 is: 12,109,504.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,862,699.92 : 28,294,046.23 = 8,073,004.20 : x
  2. Step 2: Convert to fraction form
    18,862,699.92/28,294,046.23 = 8,073,004.20/x
  3. Step 3: Cross multiply
    18,862,699.92x = 28,294,046.23 × 8,073,004.20
  4. Step 4: Simplify right side
    18,862,699.92x = 228,417,954,049,784.19
  5. Step 5: Solve for x
    x = 228,417,954,049,784.19/18,862,699.92
  6. Step 6: Final answer
    x = 12,109,504.74

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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.