Home / 18,125,347.42-25,013,520.75-11,160,043.28

Finding the Fourth Proportional to 18,125,347.42, 25,013,520.75 and 11,160,043.28

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Solution

The fourth proportional to 18,125,347.42, 25,013,520.75 and 11,160,043.28 is: 15,401,193.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,125,347.42 : 25,013,520.75 = 11,160,043.28 : x
  2. Step 2: Convert to fraction form
    18,125,347.42/25,013,520.75 = 11,160,043.28/x
  3. Step 3: Cross multiply
    18,125,347.42x = 25,013,520.75 × 11,160,043.28
  4. Step 4: Simplify right side
    18,125,347.42x = 279,151,974,079,718.44
  5. Step 5: Solve for x
    x = 279,151,974,079,718.44/18,125,347.42
  6. Step 6: Final answer
    x = 15,401,193.02

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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.