Home / 20,429,344.14-28,192,685.09-11,262,314.94

Finding the Fourth Proportional to 20,429,344.14, 28,192,685.09 and 11,262,314.94

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Solution

The fourth proportional to 20,429,344.14, 28,192,685.09 and 11,262,314.94 is: 15,542,099.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,429,344.14 : 28,192,685.09 = 11,262,314.94 : x
  2. Step 2: Convert to fraction form
    20,429,344.14/28,192,685.09 = 11,262,314.94/x
  3. Step 3: Cross multiply
    20,429,344.14x = 28,192,685.09 × 11,262,314.94
  4. Step 4: Simplify right side
    20,429,344.14x = 317,514,898,431,510.69
  5. Step 5: Solve for x
    x = 317,514,898,431,510.69/20,429,344.14
  6. Step 6: Final answer
    x = 15,542,099.46

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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.