Home / 28,714,708.32-39,626,764.68-15,661,963.92

Finding the Fourth Proportional to 28,714,708.32, 39,626,764.68 and 15,661,963.92

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Solution

The fourth proportional to 28,714,708.32, 39,626,764.68 and 15,661,963.92 is: 21,613,765.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,714,708.32 : 39,626,764.68 = 15,661,963.92 : x
  2. Step 2: Convert to fraction form
    28,714,708.32/39,626,764.68 = 15,661,963.92/x
  3. Step 3: Cross multiply
    28,714,708.32x = 39,626,764.68 × 15,661,963.92
  4. Step 4: Simplify right side
    28,714,708.32x = 620,632,958,684,490.38
  5. Step 5: Solve for x
    x = 620,632,958,684,490.38/28,714,708.32
  6. Step 6: Final answer
    x = 21,613,765.04

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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.