Home / 12,287,243.88-16,950,064.35-7,639,266.45

Finding the Fourth Proportional to 12,287,243.88, 16,950,064.35 and 7,639,266.45

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Solution

The fourth proportional to 12,287,243.88, 16,950,064.35 and 7,639,266.45 is: 10,538,250.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,287,243.88 : 16,950,064.35 = 7,639,266.45 : x
  2. Step 2: Convert to fraction form
    12,287,243.88/16,950,064.35 = 7,639,266.45/x
  3. Step 3: Cross multiply
    12,287,243.88x = 16,950,064.35 × 7,639,266.45
  4. Step 4: Simplify right side
    12,287,243.88x = 129,486,057,914,296.08
  5. Step 5: Solve for x
    x = 129,486,057,914,296.08/12,287,243.88
  6. Step 6: Final answer
    x = 10,538,250.82

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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.