Home / 8,859,399.60-13,289,099.40-5,073,265.20

Finding the Fourth Proportional to 8,859,399.60, 13,289,099.40 and 5,073,265.20

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Solution

The fourth proportional to 8,859,399.60, 13,289,099.40 and 5,073,265.20 is: 7,609,897.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,859,399.60 : 13,289,099.40 = 5,073,265.20 : x
  2. Step 2: Convert to fraction form
    8,859,399.60/13,289,099.40 = 5,073,265.20/x
  3. Step 3: Cross multiply
    8,859,399.60x = 13,289,099.40 × 5,073,265.20
  4. Step 4: Simplify right side
    8,859,399.60x = 67,419,125,525,360.88
  5. Step 5: Solve for x
    x = 67,419,125,525,360.88/8,859,399.60
  6. Step 6: Final answer
    x = 7,609,897.80

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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.