Home / 19,691,335.40-29,523,006.30-7,556,109.80

Finding the Fourth Proportional to 19,691,335.40, 29,523,006.30 and 7,556,109.80

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Solution

The fourth proportional to 19,691,335.40, 29,523,006.30 and 7,556,109.80 is: 11,328,793.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,691,335.40 : 29,523,006.30 = 7,556,109.80 : x
  2. Step 2: Convert to fraction form
    19,691,335.40/29,523,006.30 = 7,556,109.80/x
  3. Step 3: Cross multiply
    19,691,335.40x = 29,523,006.30 × 7,556,109.80
  4. Step 4: Simplify right side
    19,691,335.40x = 223,079,077,228,891.75
  5. Step 5: Solve for x
    x = 223,079,077,228,891.75/19,691,335.40
  6. Step 6: Final answer
    x = 11,328,793.74

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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.