Home / 20,936,244.80-31,406,440.80-7,287,291.20

Finding the Fourth Proportional to 20,936,244.80, 31,406,440.80 and 7,287,291.20

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Solution

The fourth proportional to 20,936,244.80, 31,406,440.80 and 7,287,291.20 is: 10,931,658.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,936,244.80 : 31,406,440.80 = 7,287,291.20 : x
  2. Step 2: Convert to fraction form
    20,936,244.80/31,406,440.80 = 7,287,291.20/x
  3. Step 3: Cross multiply
    20,936,244.80x = 31,406,440.80 × 7,287,291.20
  4. Step 4: Simplify right side
    20,936,244.80x = 228,867,879,665,160.97
  5. Step 5: Solve for x
    x = 228,867,879,665,160.97/20,936,244.80
  6. Step 6: Final answer
    x = 10,931,658.56

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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.