Home / 19,691,342.40-29,523,016.80-7,556,116.80

Finding the Fourth Proportional to 19,691,342.40, 29,523,016.80 and 7,556,116.80

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Solution

The fourth proportional to 19,691,342.40, 29,523,016.80 and 7,556,116.80 is: 11,328,804.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,691,342.40 : 29,523,016.80 = 7,556,116.80 : x
  2. Step 2: Convert to fraction form
    19,691,342.40/29,523,016.80 = 7,556,116.80/x
  3. Step 3: Cross multiply
    19,691,342.40x = 29,523,016.80 × 7,556,116.80
  4. Step 4: Simplify right side
    19,691,342.40x = 223,079,363,229,162.25
  5. Step 5: Solve for x
    x = 223,079,363,229,162.25/19,691,342.40
  6. Step 6: Final answer
    x = 11,328,804.24

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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.