Home / 9,245,471.19-12,759,126.68-5,115,435.44

Finding the Fourth Proportional to 9,245,471.19, 12,759,126.68 and 5,115,435.44

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Solution

The fourth proportional to 9,245,471.19, 12,759,126.68 and 5,115,435.44 is: 7,059,509.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,245,471.19 : 12,759,126.68 = 5,115,435.44 : x
  2. Step 2: Convert to fraction form
    9,245,471.19/12,759,126.68 = 5,115,435.44/x
  3. Step 3: Cross multiply
    9,245,471.19x = 12,759,126.68 × 5,115,435.44
  4. Step 4: Simplify right side
    9,245,471.19x = 65,268,488,802,321.54
  5. Step 5: Solve for x
    x = 65,268,488,802,321.54/9,245,471.19
  6. Step 6: Final answer
    x = 7,059,509.19

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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.