Home / 28,585,339.92-39,448,018.24-15,532,598.79

Finding the Fourth Proportional to 28,585,339.92, 39,448,018.24 and 15,532,598.79

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Solution

The fourth proportional to 28,585,339.92, 39,448,018.24 and 15,532,598.79 is: 21,435,121.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,585,339.92 : 39,448,018.24 = 15,532,598.79 : x
  2. Step 2: Convert to fraction form
    28,585,339.92/39,448,018.24 = 15,532,598.79/x
  3. Step 3: Cross multiply
    28,585,339.92x = 39,448,018.24 × 15,532,598.79
  4. Step 4: Simplify right side
    28,585,339.92x = 612,730,240,343,690.38
  5. Step 5: Solve for x
    x = 612,730,240,343,690.38/28,585,339.92
  6. Step 6: Final answer
    x = 21,435,121.71

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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.