Home / 20,684,615.08-28,546,785.04-15,448,532.83

Finding the Fourth Proportional to 20,684,615.08, 28,546,785.04 and 15,448,532.83

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Solution

The fourth proportional to 20,684,615.08, 28,546,785.04 and 15,448,532.83 is: 21,320,481.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,684,615.08 : 28,546,785.04 = 15,448,532.83 : x
  2. Step 2: Convert to fraction form
    20,684,615.08/28,546,785.04 = 15,448,532.83/x
  3. Step 3: Cross multiply
    20,684,615.08x = 28,546,785.04 × 15,448,532.83
  4. Step 4: Simplify right side
    20,684,615.08x = 441,005,945,881,392.88
  5. Step 5: Solve for x
    x = 441,005,945,881,392.88/20,684,615.08
  6. Step 6: Final answer
    x = 21,320,481.15

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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.