Home / 18,125,908.56-25,016,142.60-10,883,031.12

Finding the Fourth Proportional to 18,125,908.56, 25,016,142.60 and 10,883,031.12

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Solution

The fourth proportional to 18,125,908.56, 25,016,142.60 and 10,883,031.12 is: 15,020,017.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,125,908.56 : 25,016,142.60 = 10,883,031.12 : x
  2. Step 2: Convert to fraction form
    18,125,908.56/25,016,142.60 = 10,883,031.12/x
  3. Step 3: Cross multiply
    18,125,908.56x = 25,016,142.60 × 10,883,031.12
  4. Step 4: Simplify right side
    18,125,908.56x = 272,251,458,418,157.72
  5. Step 5: Solve for x
    x = 272,251,458,418,157.72/18,125,908.56
  6. Step 6: Final answer
    x = 15,020,017.20

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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.