Home / 9,451,679.40-14,177,519.10-7,877,039.40

Finding the Fourth Proportional to 9,451,679.40, 14,177,519.10 and 7,877,039.40

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Solution

The fourth proportional to 9,451,679.40, 14,177,519.10 and 7,877,039.40 is: 11,815,559.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,451,679.40 : 14,177,519.10 = 7,877,039.40 : x
  2. Step 2: Convert to fraction form
    9,451,679.40/14,177,519.10 = 7,877,039.40/x
  3. Step 3: Cross multiply
    9,451,679.40x = 14,177,519.10 × 7,877,039.40
  4. Step 4: Simplify right side
    9,451,679.40x = 111,676,876,544,952.55
  5. Step 5: Solve for x
    x = 111,676,876,544,952.55/9,451,679.40
  6. Step 6: Final answer
    x = 11,815,559.10

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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.