Home / 8,750,608.20-13,125,912.30-7,711,345.80

Finding the Fourth Proportional to 8,750,608.20, 13,125,912.30 and 7,711,345.80

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Solution

The fourth proportional to 8,750,608.20, 13,125,912.30 and 7,711,345.80 is: 11,567,018.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,750,608.20 : 13,125,912.30 = 7,711,345.80 : x
  2. Step 2: Convert to fraction form
    8,750,608.20/13,125,912.30 = 7,711,345.80/x
  3. Step 3: Cross multiply
    8,750,608.20x = 13,125,912.30 × 7,711,345.80
  4. Step 4: Simplify right side
    8,750,608.20x = 101,218,448,685,773.34
  5. Step 5: Solve for x
    x = 101,218,448,685,773.34/8,750,608.20
  6. Step 6: Final answer
    x = 11,567,018.70

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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.