Home / 28,755,421.20-43,117,385.40-11,696,821.20

Finding the Fourth Proportional to 28,755,421.20, 43,117,385.40 and 11,696,821.20

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Solution

The fourth proportional to 28,755,421.20, 43,117,385.40 and 11,696,821.20 is: 17,538,826.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,755,421.20 : 43,117,385.40 = 11,696,821.20 : x
  2. Step 2: Convert to fraction form
    28,755,421.20/43,117,385.40 = 11,696,821.20/x
  3. Step 3: Cross multiply
    28,755,421.20x = 43,117,385.40 × 11,696,821.20
  4. Step 4: Simplify right side
    28,755,421.20x = 504,336,347,635,290.44
  5. Step 5: Solve for x
    x = 504,336,347,635,290.44/28,755,421.20
  6. Step 6: Final answer
    x = 17,538,826.65

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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.