Home / 12,548,426.60-17,320,537.90-7,393,453.80

Finding the Fourth Proportional to 12,548,426.60, 17,320,537.90 and 7,393,453.80

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Solution

The fourth proportional to 12,548,426.60, 17,320,537.90 and 7,393,453.80 is: 10,205,151.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,548,426.60 : 17,320,537.90 = 7,393,453.80 : x
  2. Step 2: Convert to fraction form
    12,548,426.60/17,320,537.90 = 7,393,453.80/x
  3. Step 3: Cross multiply
    12,548,426.60x = 17,320,537.90 × 7,393,453.80
  4. Step 4: Simplify right side
    12,548,426.60x = 128,058,596,754,799
  5. Step 5: Solve for x
    x = 128,058,596,754,799/12,548,426.60
  6. Step 6: Final answer
    x = 10,205,151.68

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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.