Home / 10,380,138.66-15,570,632.16-3,561,400.71

Finding the Fourth Proportional to 10,380,138.66, 15,570,632.16 and 3,561,400.71

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Solution

The fourth proportional to 10,380,138.66, 15,570,632.16 and 3,561,400.71 is: 5,342,246.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,380,138.66 : 15,570,632.16 = 3,561,400.71 : x
  2. Step 2: Convert to fraction form
    10,380,138.66/15,570,632.16 = 3,561,400.71/x
  3. Step 3: Cross multiply
    10,380,138.66x = 15,570,632.16 × 3,561,400.71
  4. Step 4: Simplify right side
    10,380,138.66x = 55,453,260,429,772.84
  5. Step 5: Solve for x
    x = 55,453,260,429,772.84/10,380,138.66
  6. Step 6: Final answer
    x = 5,342,246.60

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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.