Home / 9,771,146.80-14,656,720.20-7,251,722.80

Finding the Fourth Proportional to 9,771,146.80, 14,656,720.20 and 7,251,722.80

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Solution

The fourth proportional to 9,771,146.80, 14,656,720.20 and 7,251,722.80 is: 10,877,584.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,771,146.80 : 14,656,720.20 = 7,251,722.80 : x
  2. Step 2: Convert to fraction form
    9,771,146.80/14,656,720.20 = 7,251,722.80/x
  3. Step 3: Cross multiply
    9,771,146.80x = 14,656,720.20 × 7,251,722.80
  4. Step 4: Simplify right side
    9,771,146.80x = 106,286,472,047,560.55
  5. Step 5: Solve for x
    x = 106,286,472,047,560.55/9,771,146.80
  6. Step 6: Final answer
    x = 10,877,584.20

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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.