Home / 18,125,918.31-25,016,156.06-10,883,040.87

Finding the Fourth Proportional to 18,125,918.31, 25,016,156.06 and 10,883,040.87

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Solution

The fourth proportional to 18,125,918.31, 25,016,156.06 and 10,883,040.87 is: 15,020,030.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,125,918.31 : 25,016,156.06 = 10,883,040.87 : x
  2. Step 2: Convert to fraction form
    18,125,918.31/25,016,156.06 = 10,883,040.87/x
  3. Step 3: Cross multiply
    18,125,918.31x = 25,016,156.06 × 10,883,040.87
  4. Step 4: Simplify right side
    18,125,918.31x = 272,251,848,756,862.94
  5. Step 5: Solve for x
    x = 272,251,848,756,862.94/18,125,918.31
  6. Step 6: Final answer
    x = 15,020,030.66

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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.