Home / 20,715,702.80-31,073,554.20-13,176,093.20

Finding the Fourth Proportional to 20,715,702.80, 31,073,554.20 and 13,176,093.20

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Solution

The fourth proportional to 20,715,702.80, 31,073,554.20 and 13,176,093.20 is: 19,764,139.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,715,702.80 : 31,073,554.20 = 13,176,093.20 : x
  2. Step 2: Convert to fraction form
    20,715,702.80/31,073,554.20 = 13,176,093.20/x
  3. Step 3: Cross multiply
    20,715,702.80x = 31,073,554.20 × 13,176,093.20
  4. Step 4: Simplify right side
    20,715,702.80x = 409,428,046,194,451.44
  5. Step 5: Solve for x
    x = 409,428,046,194,451.44/20,715,702.80
  6. Step 6: Final answer
    x = 19,764,139.80

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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.