Home / 12,699,288.72-17,525,344.46-6,898,402.44

Finding the Fourth Proportional to 12,699,288.72, 17,525,344.46 and 6,898,402.44

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Solution

The fourth proportional to 12,699,288.72, 17,525,344.46 and 6,898,402.44 is: 9,519,972.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,699,288.72 : 17,525,344.46 = 6,898,402.44 : x
  2. Step 2: Convert to fraction form
    12,699,288.72/17,525,344.46 = 6,898,402.44/x
  3. Step 3: Cross multiply
    12,699,288.72x = 17,525,344.46 × 6,898,402.44
  4. Step 4: Simplify right side
    12,699,288.72x = 120,896,878,950,212.47
  5. Step 5: Solve for x
    x = 120,896,878,950,212.47/12,699,288.72
  6. Step 6: Final answer
    x = 9,519,972.47

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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.