Home / 9,197,863.56-12,693,339.32-5,278,336.76

Finding the Fourth Proportional to 9,197,863.56, 12,693,339.32 and 5,278,336.76

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Solution

The fourth proportional to 9,197,863.56, 12,693,339.32 and 5,278,336.76 is: 7,284,269.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,197,863.56 : 12,693,339.32 = 5,278,336.76 : x
  2. Step 2: Convert to fraction form
    9,197,863.56/12,693,339.32 = 5,278,336.76/x
  3. Step 3: Cross multiply
    9,197,863.56x = 12,693,339.32 × 5,278,336.76
  4. Step 4: Simplify right side
    9,197,863.56x = 66,999,719,539,909.40
  5. Step 5: Solve for x
    x = 66,999,719,539,909.40/9,197,863.56
  6. Step 6: Final answer
    x = 7,284,269.78

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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.