Home / 8,399,009.28-12,600,508.80-2,719,230.72

Finding the Fourth Proportional to 8,399,009.28, 12,600,508.80 and 2,719,230.72

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Solution

The fourth proportional to 8,399,009.28, 12,600,508.80 and 2,719,230.72 is: 4,079,491.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,399,009.28 : 12,600,508.80 = 2,719,230.72 : x
  2. Step 2: Convert to fraction form
    8,399,009.28/12,600,508.80 = 2,719,230.72/x
  3. Step 3: Cross multiply
    8,399,009.28x = 12,600,508.80 × 2,719,230.72
  4. Step 4: Simplify right side
    8,399,009.28x = 34,263,690,616,590.34
  5. Step 5: Solve for x
    x = 34,263,690,616,590.34/8,399,009.28
  6. Step 6: Final answer
    x = 4,079,491.93

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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.