Home / 8,135,999.60-12,203,999.40-4,947,378.80

Finding the Fourth Proportional to 8,135,999.60, 12,203,999.40 and 4,947,378.80

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Solution

The fourth proportional to 8,135,999.60, 12,203,999.40 and 4,947,378.80 is: 7,421,068.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,135,999.60 : 12,203,999.40 = 4,947,378.80 : x
  2. Step 2: Convert to fraction form
    8,135,999.60/12,203,999.40 = 4,947,378.80/x
  3. Step 3: Cross multiply
    8,135,999.60x = 12,203,999.40 × 4,947,378.80
  4. Step 4: Simplify right side
    8,135,999.60x = 60,377,807,906,772.72
  5. Step 5: Solve for x
    x = 60,377,807,906,772.72/8,135,999.60
  6. Step 6: Final answer
    x = 7,421,068.20

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1.5x scale

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.