Home / 8,404,751.70-12,618,937.35-5,216,105.70

Finding the Fourth Proportional to 8,404,751.70, 12,618,937.35 and 5,216,105.70

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Solution

The fourth proportional to 8,404,751.70, 12,618,937.35 and 5,216,105.70 is: 7,831,487.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,404,751.70 : 12,618,937.35 = 5,216,105.70 : x
  2. Step 2: Convert to fraction form
    8,404,751.70/12,618,937.35 = 5,216,105.70/x
  3. Step 3: Cross multiply
    8,404,751.70x = 12,618,937.35 × 5,216,105.70
  4. Step 4: Simplify right side
    8,404,751.70x = 65,821,711,039,277.90
  5. Step 5: Solve for x
    x = 65,821,711,039,277.90/8,404,751.70
  6. Step 6: Final answer
    x = 7,831,487.88

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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.