Home / 7,179,260.80-10,768,891.20-6,549,404.80

Finding the Fourth Proportional to 7,179,260.80, 10,768,891.20 and 6,549,404.80

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Solution

The fourth proportional to 7,179,260.80, 10,768,891.20 and 6,549,404.80 is: 9,824,107.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,179,260.80 : 10,768,891.20 = 6,549,404.80 : x
  2. Step 2: Convert to fraction form
    7,179,260.80/10,768,891.20 = 6,549,404.80/x
  3. Step 3: Cross multiply
    7,179,260.80x = 10,768,891.20 × 6,549,404.80
  4. Step 4: Simplify right side
    7,179,260.80x = 70,529,827,715,957.75
  5. Step 5: Solve for x
    x = 70,529,827,715,957.75/7,179,260.80
  6. Step 6: Final answer
    x = 9,824,107.20

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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.