Home / 20,429,593.36-28,192,924.20-11,262,034.96

Finding the Fourth Proportional to 20,429,593.36, 28,192,924.20 and 11,262,034.96

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Solution

The fourth proportional to 20,429,593.36, 28,192,924.20 and 11,262,034.96 is: 15,541,655.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,429,593.36 : 28,192,924.20 = 11,262,034.96 : x
  2. Step 2: Convert to fraction form
    20,429,593.36/28,192,924.20 = 11,262,034.96/x
  3. Step 3: Cross multiply
    20,429,593.36x = 28,192,924.20 × 11,262,034.96
  4. Step 4: Simplify right side
    20,429,593.36x = 317,509,697,965,030.06
  5. Step 5: Solve for x
    x = 317,509,697,965,030.06/20,429,593.36
  6. Step 6: Final answer
    x = 15,541,655.30

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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.