Home / 13,149,021.30-19,723,531.95-10,757,536.80

Finding the Fourth Proportional to 13,149,021.30, 19,723,531.95 and 10,757,536.80

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Solution

The fourth proportional to 13,149,021.30, 19,723,531.95 and 10,757,536.80 is: 16,136,305.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,149,021.30 : 19,723,531.95 = 10,757,536.80 : x
  2. Step 2: Convert to fraction form
    13,149,021.30/19,723,531.95 = 10,757,536.80/x
  3. Step 3: Cross multiply
    13,149,021.30x = 19,723,531.95 × 10,757,536.80
  4. Step 4: Simplify right side
    13,149,021.30x = 212,176,620,778,100.78
  5. Step 5: Solve for x
    x = 212,176,620,778,100.78/13,149,021.30
  6. Step 6: Final answer
    x = 16,136,305.20

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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.