Home / 6,624,165.40-9,936,248.10-6,561,179.80

Finding the Fourth Proportional to 6,624,165.40, 9,936,248.10 and 6,561,179.80

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Solution

The fourth proportional to 6,624,165.40, 9,936,248.10 and 6,561,179.80 is: 9,841,769.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,624,165.40 : 9,936,248.10 = 6,561,179.80 : x
  2. Step 2: Convert to fraction form
    6,624,165.40/9,936,248.10 = 6,561,179.80/x
  3. Step 3: Cross multiply
    6,624,165.40x = 9,936,248.10 × 6,561,179.80
  4. Step 4: Simplify right side
    6,624,165.40x = 65,193,510,321,508.38
  5. Step 5: Solve for x
    x = 65,193,510,321,508.38/6,624,165.40
  6. Step 6: Final answer
    x = 9,841,769.70

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Double scale
Find fourth proportional to 6,624,166.40, 9,936,249.60 and 6,561,180.80
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.