Home / 20,715,867.76-31,073,796.17-7,069,013.27

Finding the Fourth Proportional to 20,715,867.76, 31,073,796.17 and 7,069,013.27

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Solution

The fourth proportional to 20,715,867.76, 31,073,796.17 and 7,069,013.27 is: 10,603,518.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,715,867.76 : 31,073,796.17 = 7,069,013.27 : x
  2. Step 2: Convert to fraction form
    20,715,867.76/31,073,796.17 = 7,069,013.27/x
  3. Step 3: Cross multiply
    20,715,867.76x = 31,073,796.17 × 7,069,013.27
  4. Step 4: Simplify right side
    20,715,867.76x = 219,661,077,602,116.75
  5. Step 5: Solve for x
    x = 219,661,077,602,116.75/20,715,867.76
  6. Step 6: Final answer
    x = 10,603,518.04

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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.