Home / 8,298,019.60-12,457,138.20-5,265,379.60

Finding the Fourth Proportional to 8,298,019.60, 12,457,138.20 and 5,265,379.60

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Solution

The fourth proportional to 8,298,019.60, 12,457,138.20 and 5,265,379.60 is: 7,904,483.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,298,019.60 : 12,457,138.20 = 5,265,379.60 : x
  2. Step 2: Convert to fraction form
    8,298,019.60/12,457,138.20 = 5,265,379.60/x
  3. Step 3: Cross multiply
    8,298,019.60x = 12,457,138.20 × 5,265,379.60
  4. Step 4: Simplify right side
    8,298,019.60x = 65,591,561,352,660.71
  5. Step 5: Solve for x
    x = 65,591,561,352,660.71/8,298,019.60
  6. Step 6: Final answer
    x = 7,904,483.78

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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.