Home / 8,153,999.20-12,230,998.80-4,374,863.20

Finding the Fourth Proportional to 8,153,999.20, 12,230,998.80 and 4,374,863.20

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Solution

The fourth proportional to 8,153,999.20, 12,230,998.80 and 4,374,863.20 is: 6,562,294.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,153,999.20 : 12,230,998.80 = 4,374,863.20 : x
  2. Step 2: Convert to fraction form
    8,153,999.20/12,230,998.80 = 4,374,863.20/x
  3. Step 3: Cross multiply
    8,153,999.20x = 12,230,998.80 × 4,374,863.20
  4. Step 4: Simplify right side
    8,153,999.20x = 53,508,946,549,364.16
  5. Step 5: Solve for x
    x = 53,508,946,549,364.16/8,153,999.20
  6. Step 6: Final answer
    x = 6,562,294.80

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Similar ratio
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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.