Home / 7,632,055.20-11,448,082.80-7,578,911.10

Finding the Fourth Proportional to 7,632,055.20, 11,448,082.80 and 7,578,911.10

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Solution

The fourth proportional to 7,632,055.20, 11,448,082.80 and 7,578,911.10 is: 11,368,366.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,632,055.20 : 11,448,082.80 = 7,578,911.10 : x
  2. Step 2: Convert to fraction form
    7,632,055.20/11,448,082.80 = 7,578,911.10/x
  3. Step 3: Cross multiply
    7,632,055.20x = 11,448,082.80 × 7,578,911.10
  4. Step 4: Simplify right side
    7,632,055.20x = 86,764,001,806,639.08
  5. Step 5: Solve for x
    x = 86,764,001,806,639.08/7,632,055.20
  6. Step 6: Final answer
    x = 11,368,366.65

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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.