Home / 20,715,494.55-28,589,085.05-11,424,882.17

Finding the Fourth Proportional to 20,715,494.55, 28,589,085.05 and 11,424,882.17

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Solution

The fourth proportional to 20,715,494.55, 28,589,085.05 and 11,424,882.17 is: 15,767,276.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,715,494.55 : 28,589,085.05 = 11,424,882.17 : x
  2. Step 2: Convert to fraction form
    20,715,494.55/28,589,085.05 = 11,424,882.17/x
  3. Step 3: Cross multiply
    20,715,494.55x = 28,589,085.05 × 11,424,882.17
  4. Step 4: Simplify right side
    20,715,494.55x = 326,626,927,844,288.69
  5. Step 5: Solve for x
    x = 326,626,927,844,288.69/20,715,494.55
  6. Step 6: Final answer
    x = 15,767,276.38

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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.