Home / 12,523,619.20-18,785,428.80-4,004,233.60

Finding the Fourth Proportional to 12,523,619.20, 18,785,428.80 and 4,004,233.60

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Solution

The fourth proportional to 12,523,619.20, 18,785,428.80 and 4,004,233.60 is: 6,006,350.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,523,619.20 : 18,785,428.80 = 4,004,233.60 : x
  2. Step 2: Convert to fraction form
    12,523,619.20/18,785,428.80 = 4,004,233.60/x
  3. Step 3: Cross multiply
    12,523,619.20x = 18,785,428.80 × 4,004,233.60
  4. Step 4: Simplify right side
    12,523,619.20x = 75,221,245,191,367.69
  5. Step 5: Solve for x
    x = 75,221,245,191,367.69/12,523,619.20
  6. Step 6: Final answer
    x = 6,006,350.40

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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.