Home / 13,438,724.18-20,155,871.66-5,763,608.87

Finding the Fourth Proportional to 13,438,724.18, 20,155,871.66 and 5,763,608.87

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Solution

The fourth proportional to 13,438,724.18, 20,155,871.66 and 5,763,608.87 is: 8,644,463.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,438,724.18 : 20,155,871.66 = 5,763,608.87 : x
  2. Step 2: Convert to fraction form
    13,438,724.18/20,155,871.66 = 5,763,608.87/x
  3. Step 3: Cross multiply
    13,438,724.18x = 20,155,871.66 × 5,763,608.87
  4. Step 4: Simplify right side
    13,438,724.18x = 116,170,560,552,560.23
  5. Step 5: Solve for x
    x = 116,170,560,552,560.23/13,438,724.18
  6. Step 6: Final answer
    x = 8,644,463.50

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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.