Home / 8,079,793.20-12,119,689.80-3,828,265.20

Finding the Fourth Proportional to 8,079,793.20, 12,119,689.80 and 3,828,265.20

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Solution

The fourth proportional to 8,079,793.20, 12,119,689.80 and 3,828,265.20 is: 5,742,397.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,079,793.20 : 12,119,689.80 = 3,828,265.20 : x
  2. Step 2: Convert to fraction form
    8,079,793.20/12,119,689.80 = 3,828,265.20/x
  3. Step 3: Cross multiply
    8,079,793.20x = 12,119,689.80 × 3,828,265.20
  4. Step 4: Simplify right side
    8,079,793.20x = 46,397,386,696,134.97
  5. Step 5: Solve for x
    x = 46,397,386,696,134.97/8,079,793.20
  6. Step 6: Final answer
    x = 5,742,397.80

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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.