Home / 19,691,355.90-29,523,037.05-7,556,130.30

Finding the Fourth Proportional to 19,691,355.90, 29,523,037.05 and 7,556,130.30

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Solution

The fourth proportional to 19,691,355.90, 29,523,037.05 and 7,556,130.30 is: 11,328,824.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,691,355.90 : 29,523,037.05 = 7,556,130.30 : x
  2. Step 2: Convert to fraction form
    19,691,355.90/29,523,037.05 = 7,556,130.30/x
  3. Step 3: Cross multiply
    19,691,355.90x = 29,523,037.05 × 7,556,130.30
  4. Step 4: Simplify right side
    19,691,355.90x = 223,079,914,801,527.62
  5. Step 5: Solve for x
    x = 223,079,914,801,527.62/19,691,355.90
  6. Step 6: Final answer
    x = 11,328,824.48

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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.