Home / 19,691,356.90-29,523,038.55-7,556,131.30

Finding the Fourth Proportional to 19,691,356.90, 29,523,038.55 and 7,556,131.30

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Solution

The fourth proportional to 19,691,356.90, 29,523,038.55 and 7,556,131.30 is: 11,328,825.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,691,356.90 : 29,523,038.55 = 7,556,131.30 : x
  2. Step 2: Convert to fraction form
    19,691,356.90/29,523,038.55 = 7,556,131.30/x
  3. Step 3: Cross multiply
    19,691,356.90x = 29,523,038.55 × 7,556,131.30
  4. Step 4: Simplify right side
    19,691,356.90x = 223,079,955,658,761.62
  5. Step 5: Solve for x
    x = 223,079,955,658,761.62/19,691,356.90
  6. Step 6: Final answer
    x = 11,328,825.98

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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.