Home / 10,110,142-15,165,213-3,378,556

Finding the Fourth Proportional to 10,110,142, 15,165,213 and 3,378,556

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Solution

The fourth proportional to 10,110,142, 15,165,213 and 3,378,556 is: 5,067,834

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,110,142 : 15,165,213 = 3,378,556 : x
  2. Step 2: Convert to fraction form
    10,110,142/15,165,213 = 3,378,556/x
  3. Step 3: Cross multiply
    10,110,142x = 15,165,213 × 3,378,556
  4. Step 4: Simplify right side
    10,110,142x = 51,236,521,372,428
  5. Step 5: Solve for x
    x = 51,236,521,372,428/10,110,142
  6. Step 6: Final answer
    x = 5,067,834

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.