Home / 18,711,433.79-28,068,155.22-5,932,934.81

Finding the Fourth Proportional to 18,711,433.79, 28,068,155.22 and 5,932,934.81

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Solution

The fourth proportional to 18,711,433.79, 28,068,155.22 and 5,932,934.81 is: 8,899,720.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,711,433.79 : 28,068,155.22 = 5,932,934.81 : x
  2. Step 2: Convert to fraction form
    18,711,433.79/28,068,155.22 = 5,932,934.81/x
  3. Step 3: Cross multiply
    18,711,433.79x = 28,068,155.22 × 5,932,934.81
  4. Step 4: Simplify right side
    18,711,433.79x = 166,526,535,016,880.41
  5. Step 5: Solve for x
    x = 166,526,535,016,880.41/18,711,433.79
  6. Step 6: Final answer
    x = 8,899,720.72

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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.