Home / 7,648,538.94-10,555,746.19-5,711,436.49

Finding the Fourth Proportional to 7,648,538.94, 10,555,746.19 and 5,711,436.49

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Solution

The fourth proportional to 7,648,538.94, 10,555,746.19 and 5,711,436.49 is: 7,882,351.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,648,538.94 : 10,555,746.19 = 5,711,436.49 : x
  2. Step 2: Convert to fraction form
    7,648,538.94/10,555,746.19 = 5,711,436.49/x
  3. Step 3: Cross multiply
    7,648,538.94x = 10,555,746.19 × 5,711,436.49
  4. Step 4: Simplify right side
    7,648,538.94x = 60,288,473,968,744.47
  5. Step 5: Solve for x
    x = 60,288,473,968,744.47/7,648,538.94
  6. Step 6: Final answer
    x = 7,882,351.71

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.