Home / 9,117,130.80-13,675,696.20-5,127,524.40

Finding the Fourth Proportional to 9,117,130.80, 13,675,696.20 and 5,127,524.40

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Solution

The fourth proportional to 9,117,130.80, 13,675,696.20 and 5,127,524.40 is: 7,691,286.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,117,130.80 : 13,675,696.20 = 5,127,524.40 : x
  2. Step 2: Convert to fraction form
    9,117,130.80/13,675,696.20 = 5,127,524.40/x
  3. Step 3: Cross multiply
    9,117,130.80x = 13,675,696.20 × 5,127,524.40
  4. Step 4: Simplify right side
    9,117,130.80x = 70,122,465,952,487.28
  5. Step 5: Solve for x
    x = 70,122,465,952,487.28/9,117,130.80
  6. Step 6: Final answer
    x = 7,691,286.60

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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.