Home / 20,458,488.16-30,696,717.68-10,740,843.28

Finding the Fourth Proportional to 20,458,488.16, 30,696,717.68 and 10,740,843.28

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Solution

The fourth proportional to 20,458,488.16, 30,696,717.68 and 10,740,843.28 is: 16,115,982.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,458,488.16 : 30,696,717.68 = 10,740,843.28 : x
  2. Step 2: Convert to fraction form
    20,458,488.16/30,696,717.68 = 10,740,843.28/x
  3. Step 3: Cross multiply
    20,458,488.16x = 30,696,717.68 × 10,740,843.28
  4. Step 4: Simplify right side
    20,458,488.16x = 329,708,633,811,285.19
  5. Step 5: Solve for x
    x = 329,708,633,811,285.19/20,458,488.16
  6. Step 6: Final answer
    x = 16,115,982.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.