Home / 13,052,848.50-18,011,876.55-7,546,578.28

Finding the Fourth Proportional to 13,052,848.50, 18,011,876.55 and 7,546,578.28

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Solution

The fourth proportional to 13,052,848.50, 18,011,876.55 and 7,546,578.28 is: 10,413,668.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,052,848.50 : 18,011,876.55 = 7,546,578.28 : x
  2. Step 2: Convert to fraction form
    13,052,848.50/18,011,876.55 = 7,546,578.28/x
  3. Step 3: Cross multiply
    13,052,848.50x = 18,011,876.55 × 7,546,578.28
  4. Step 4: Simplify right side
    13,052,848.50x = 135,928,036,382,258.78
  5. Step 5: Solve for x
    x = 135,928,036,382,258.78/13,052,848.50
  6. Step 6: Final answer
    x = 10,413,668.43

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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.