Home / 8,155,872.20-11,255,820.80-4,485,435.57

Finding the Fourth Proportional to 8,155,872.20, 11,255,820.80 and 4,485,435.57

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Solution

The fourth proportional to 8,155,872.20, 11,255,820.80 and 4,485,435.57 is: 6,190,295.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,155,872.20 : 11,255,820.80 = 4,485,435.57 : x
  2. Step 2: Convert to fraction form
    8,155,872.20/11,255,820.80 = 4,485,435.57/x
  3. Step 3: Cross multiply
    8,155,872.20x = 11,255,820.80 × 4,485,435.57
  4. Step 4: Simplify right side
    8,155,872.20x = 50,487,258,985,865.86
  5. Step 5: Solve for x
    x = 50,487,258,985,865.86/8,155,872.20
  6. Step 6: Final answer
    x = 6,190,295.50

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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.