Home / 15,201,234.07-20,977,723.28-8,231,923.63

Finding the Fourth Proportional to 15,201,234.07, 20,977,723.28 and 8,231,923.63

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Solution

The fourth proportional to 15,201,234.07, 20,977,723.28 and 8,231,923.63 is: 11,360,065.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,201,234.07 : 20,977,723.28 = 8,231,923.63 : x
  2. Step 2: Convert to fraction form
    15,201,234.07/20,977,723.28 = 8,231,923.63/x
  3. Step 3: Cross multiply
    15,201,234.07x = 20,977,723.28 × 8,231,923.63
  4. Step 4: Simplify right side
    15,201,234.07x = 172,687,015,931,073.47
  5. Step 5: Solve for x
    x = 172,687,015,931,073.47/15,201,234.07
  6. Step 6: Final answer
    x = 11,360,065.58

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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.