Home / 6,239,230.20-9,358,845.30-5,105,489.40

Finding the Fourth Proportional to 6,239,230.20, 9,358,845.30 and 5,105,489.40

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Solution

The fourth proportional to 6,239,230.20, 9,358,845.30 and 5,105,489.40 is: 7,658,234.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,239,230.20 : 9,358,845.30 = 5,105,489.40 : x
  2. Step 2: Convert to fraction form
    6,239,230.20/9,358,845.30 = 5,105,489.40/x
  3. Step 3: Cross multiply
    6,239,230.20x = 9,358,845.30 × 5,105,489.40
  4. Step 4: Simplify right side
    6,239,230.20x = 47,781,485,475,389.83
  5. Step 5: Solve for x
    x = 47,781,485,475,389.83/6,239,230.20
  6. Step 6: Final answer
    x = 7,658,234.10

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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.