Home / 8,400,429.92-12,600,499.04-2,720,664.56

Finding the Fourth Proportional to 8,400,429.92, 12,600,499.04 and 2,720,664.56

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Solution

The fourth proportional to 8,400,429.92, 12,600,499.04 and 2,720,664.56 is: 4,080,949.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,400,429.92 : 12,600,499.04 = 2,720,664.56 : x
  2. Step 2: Convert to fraction form
    8,400,429.92/12,600,499.04 = 2,720,664.56/x
  3. Step 3: Cross multiply
    8,400,429.92x = 12,600,499.04 × 2,720,664.56
  4. Step 4: Simplify right side
    8,400,429.92x = 34,281,731,176,442.02
  5. Step 5: Solve for x
    x = 34,281,731,176,442.02/8,400,429.92
  6. Step 6: Final answer
    x = 4,080,949.61

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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.