Home / 14,272,198.61-19,695,781.26-7,745,884.43

Finding the Fourth Proportional to 14,272,198.61, 19,695,781.26 and 7,745,884.43

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Solution

The fourth proportional to 14,272,198.61, 19,695,781.26 and 7,745,884.43 is: 10,689,400.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,272,198.61 : 19,695,781.26 = 7,745,884.43 : x
  2. Step 2: Convert to fraction form
    14,272,198.61/19,695,781.26 = 7,745,884.43/x
  3. Step 3: Cross multiply
    14,272,198.61x = 19,695,781.26 × 7,745,884.43
  4. Step 4: Simplify right side
    14,272,198.61x = 152,561,245,300,040.88
  5. Step 5: Solve for x
    x = 152,561,245,300,040.88/14,272,198.61
  6. Step 6: Final answer
    x = 10,689,400.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.