Home / 6,921,919.09-9,552,445.20-3,866,330.17

Finding the Fourth Proportional to 6,921,919.09, 9,552,445.20 and 3,866,330.17

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Solution

The fourth proportional to 6,921,919.09, 9,552,445.20 and 3,866,330.17 is: 5,335,645.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,921,919.09 : 9,552,445.20 = 3,866,330.17 : x
  2. Step 2: Convert to fraction form
    6,921,919.09/9,552,445.20 = 3,866,330.17/x
  3. Step 3: Cross multiply
    6,921,919.09x = 9,552,445.20 × 3,866,330.17
  4. Step 4: Simplify right side
    6,921,919.09x = 36,932,907,074,031.68
  5. Step 5: Solve for x
    x = 36,932,907,074,031.68/6,921,919.09
  6. Step 6: Final answer
    x = 5,335,645.59

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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.