Home / 18,458,145.84-25,473,262.95-10,198,031.03

Finding the Fourth Proportional to 18,458,145.84, 25,473,262.95 and 10,198,031.03

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Solution

The fourth proportional to 18,458,145.84, 25,473,262.95 and 10,198,031.03 is: 14,073,847.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,458,145.84 : 25,473,262.95 = 10,198,031.03 : x
  2. Step 2: Convert to fraction form
    18,458,145.84/25,473,262.95 = 10,198,031.03/x
  3. Step 3: Cross multiply
    18,458,145.84x = 25,473,262.95 × 10,198,031.03
  4. Step 4: Simplify right side
    18,458,145.84x = 259,777,125,872,083.03
  5. Step 5: Solve for x
    x = 259,777,125,872,083.03/18,458,145.84
  6. Step 6: Final answer
    x = 14,073,847.29

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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.