Home / 8,567,999.20-12,851,998.80-3,773,220.40

Finding the Fourth Proportional to 8,567,999.20, 12,851,998.80 and 3,773,220.40

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Solution

The fourth proportional to 8,567,999.20, 12,851,998.80 and 3,773,220.40 is: 5,659,830.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,567,999.20 : 12,851,998.80 = 3,773,220.40 : x
  2. Step 2: Convert to fraction form
    8,567,999.20/12,851,998.80 = 3,773,220.40/x
  3. Step 3: Cross multiply
    8,567,999.20x = 12,851,998.80 × 3,773,220.40
  4. Step 4: Simplify right side
    8,567,999.20x = 48,493,424,052,935.52
  5. Step 5: Solve for x
    x = 48,493,424,052,935.52/8,567,999.20
  6. Step 6: Final answer
    x = 5,659,830.60

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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.