Home / 9,253,459.36-12,769,772.40-5,179,078.24

Finding the Fourth Proportional to 9,253,459.36, 12,769,772.40 and 5,179,078.24

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Solution

The fourth proportional to 9,253,459.36, 12,769,772.40 and 5,179,078.24 is: 7,147,127.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,253,459.36 : 12,769,772.40 = 5,179,078.24 : x
  2. Step 2: Convert to fraction form
    9,253,459.36/12,769,772.40 = 5,179,078.24/x
  3. Step 3: Cross multiply
    9,253,459.36x = 12,769,772.40 × 5,179,078.24
  4. Step 4: Simplify right side
    9,253,459.36x = 66,135,650,366,592.58
  5. Step 5: Solve for x
    x = 66,135,650,366,592.58/9,253,459.36
  6. Step 6: Final answer
    x = 7,147,127.12

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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.