Home / 7,045,627.20-9,722,800.89-4,145,204.85

Finding the Fourth Proportional to 7,045,627.20, 9,722,800.89 and 4,145,204.85

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Solution

The fourth proportional to 7,045,627.20, 9,722,800.89 and 4,145,204.85 is: 5,720,285.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,045,627.20 : 9,722,800.89 = 4,145,204.85 : x
  2. Step 2: Convert to fraction form
    7,045,627.20/9,722,800.89 = 4,145,204.85/x
  3. Step 3: Cross multiply
    7,045,627.20x = 9,722,800.89 × 4,145,204.85
  4. Step 4: Simplify right side
    7,045,627.20x = 40,303,001,404,812.32
  5. Step 5: Solve for x
    x = 40,303,001,404,812.32/7,045,627.20
  6. Step 6: Final answer
    x = 5,720,285.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.