Home / 15,139,315.25-22,700,992.89-6,609,687.20

Finding the Fourth Proportional to 15,139,315.25, 22,700,992.89 and 6,609,687.20

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Solution

The fourth proportional to 15,139,315.25, 22,700,992.89 and 6,609,687.20 is: 9,911,046.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,139,315.25 : 22,700,992.89 = 6,609,687.20 : x
  2. Step 2: Convert to fraction form
    15,139,315.25/22,700,992.89 = 6,609,687.20/x
  3. Step 3: Cross multiply
    15,139,315.25x = 22,700,992.89 × 6,609,687.20
  4. Step 4: Simplify right side
    15,139,315.25x = 150,046,462,018,819.06
  5. Step 5: Solve for x
    x = 150,046,462,018,819.06/15,139,315.25
  6. Step 6: Final answer
    x = 9,911,046.81

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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.