Home / 20,864,275.74-31,292,870.58-5,511,732.54

Finding the Fourth Proportional to 20,864,275.74, 31,292,870.58 and 5,511,732.54

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Solution

The fourth proportional to 20,864,275.74, 31,292,870.58 and 5,511,732.54 is: 8,266,662.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,864,275.74 : 31,292,870.58 = 5,511,732.54 : x
  2. Step 2: Convert to fraction form
    20,864,275.74/31,292,870.58 = 5,511,732.54/x
  3. Step 3: Cross multiply
    20,864,275.74x = 31,292,870.58 × 5,511,732.54
  4. Step 4: Simplify right side
    20,864,275.74x = 172,477,933,045,794.66
  5. Step 5: Solve for x
    x = 172,477,933,045,794.66/20,864,275.74
  6. Step 6: Final answer
    x = 8,266,662.84

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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.