Home / 10,083,500.80-15,125,251.20-7,816,019.20

Finding the Fourth Proportional to 10,083,500.80, 15,125,251.20 and 7,816,019.20

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Solution

The fourth proportional to 10,083,500.80, 15,125,251.20 and 7,816,019.20 is: 11,724,028.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,083,500.80 : 15,125,251.20 = 7,816,019.20 : x
  2. Step 2: Convert to fraction form
    10,083,500.80/15,125,251.20 = 7,816,019.20/x
  3. Step 3: Cross multiply
    10,083,500.80x = 15,125,251.20 × 7,816,019.20
  4. Step 4: Simplify right side
    10,083,500.80x = 118,219,253,784,023.03
  5. Step 5: Solve for x
    x = 118,219,253,784,023.03/10,083,500.80
  6. Step 6: Final answer
    x = 11,724,028.80

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1.5x scale

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.