Home / 10,438,579.01-15,660,120.62-3,151,433.86

Finding the Fourth Proportional to 10,438,579.01, 15,660,120.62 and 3,151,433.86

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Solution

The fourth proportional to 10,438,579.01, 15,660,120.62 and 3,151,433.86 is: 4,727,830.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,438,579.01 : 15,660,120.62 = 3,151,433.86 : x
  2. Step 2: Convert to fraction form
    10,438,579.01/15,660,120.62 = 3,151,433.86/x
  3. Step 3: Cross multiply
    10,438,579.01x = 15,660,120.62 × 3,151,433.86
  4. Step 4: Simplify right side
    10,438,579.01x = 49,351,834,342,280.48
  5. Step 5: Solve for x
    x = 49,351,834,342,280.48/10,438,579.01
  6. Step 6: Final answer
    x = 4,727,830.70

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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.