Home / 8,341,799.40-12,512,699.10-6,718,170.60

Finding the Fourth Proportional to 8,341,799.40, 12,512,699.10 and 6,718,170.60

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Solution

The fourth proportional to 8,341,799.40, 12,512,699.10 and 6,718,170.60 is: 10,077,255.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,341,799.40 : 12,512,699.10 = 6,718,170.60 : x
  2. Step 2: Convert to fraction form
    8,341,799.40/12,512,699.10 = 6,718,170.60/x
  3. Step 3: Cross multiply
    8,341,799.40x = 12,512,699.10 × 6,718,170.60
  4. Step 4: Simplify right side
    8,341,799.40x = 84,062,447,220,266.45
  5. Step 5: Solve for x
    x = 84,062,447,220,266.45/8,341,799.40
  6. Step 6: Final answer
    x = 10,077,255.90

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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.