Home / 8,990,717.90-13,486,076.85-3,600,200.30

Finding the Fourth Proportional to 8,990,717.90, 13,486,076.85 and 3,600,200.30

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Solution

The fourth proportional to 8,990,717.90, 13,486,076.85 and 3,600,200.30 is: 5,400,300.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,990,717.90 : 13,486,076.85 = 3,600,200.30 : x
  2. Step 2: Convert to fraction form
    8,990,717.90/13,486,076.85 = 3,600,200.30/x
  3. Step 3: Cross multiply
    8,990,717.90x = 13,486,076.85 × 3,600,200.30
  4. Step 4: Simplify right side
    8,990,717.90x = 48,552,577,921,193.05
  5. Step 5: Solve for x
    x = 48,552,577,921,193.05/8,990,717.90
  6. Step 6: Final answer
    x = 5,400,300.45

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Double scale
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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.