Home / 15,126,688.16-22,690,019.28-5,542,816.76

Finding the Fourth Proportional to 15,126,688.16, 22,690,019.28 and 5,542,816.76

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Solution

The fourth proportional to 15,126,688.16, 22,690,019.28 and 5,542,816.76 is: 8,314,220.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,126,688.16 : 22,690,019.28 = 5,542,816.76 : x
  2. Step 2: Convert to fraction form
    15,126,688.16/22,690,019.28 = 5,542,816.76/x
  3. Step 3: Cross multiply
    15,126,688.16x = 22,690,019.28 × 5,542,816.76
  4. Step 4: Simplify right side
    15,126,688.16x = 125,766,619,149,907.14
  5. Step 5: Solve for x
    x = 125,766,619,149,907.14/15,126,688.16
  6. Step 6: Final answer
    x = 8,314,220.39

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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.