Home / 8,149,803.32-11,246,184.72-4,478,640.90

Finding the Fourth Proportional to 8,149,803.32, 11,246,184.72 and 4,478,640.90

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Solution

The fourth proportional to 8,149,803.32, 11,246,184.72 and 4,478,640.90 is: 6,180,225.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,149,803.32 : 11,246,184.72 = 4,478,640.90 : x
  2. Step 2: Convert to fraction form
    8,149,803.32/11,246,184.72 = 4,478,640.90/x
  3. Step 3: Cross multiply
    8,149,803.32x = 11,246,184.72 × 4,478,640.90
  4. Step 4: Simplify right side
    8,149,803.32x = 50,367,622,855,947.05
  5. Step 5: Solve for x
    x = 50,367,622,855,947.05/8,149,803.32
  6. Step 6: Final answer
    x = 6,180,225.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.