Home / 20,351,930.59-28,085,839.73-11,059,498.81

Finding the Fourth Proportional to 20,351,930.59, 28,085,839.73 and 11,059,498.81

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Solution

The fourth proportional to 20,351,930.59, 28,085,839.73 and 11,059,498.81 is: 15,262,203.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,351,930.59 : 28,085,839.73 = 11,059,498.81 : x
  2. Step 2: Convert to fraction form
    20,351,930.59/28,085,839.73 = 11,059,498.81/x
  3. Step 3: Cross multiply
    20,351,930.59x = 28,085,839.73 × 11,059,498.81
  4. Step 4: Simplify right side
    20,351,930.59x = 310,615,311,071,785.75
  5. Step 5: Solve for x
    x = 310,615,311,071,785.75/20,351,930.59
  6. Step 6: Final answer
    x = 15,262,203.74

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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.