Home / 12,950,855.02-17,871,711.78-7,149,512.44

Finding the Fourth Proportional to 12,950,855.02, 17,871,711.78 and 7,149,512.44

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Solution

The fourth proportional to 12,950,855.02, 17,871,711.78 and 7,149,512.44 is: 9,866,068.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,950,855.02 : 17,871,711.78 = 7,149,512.44 : x
  2. Step 2: Convert to fraction form
    12,950,855.02/17,871,711.78 = 7,149,512.44/x
  3. Step 3: Cross multiply
    12,950,855.02x = 17,871,711.78 × 7,149,512.44
  4. Step 4: Simplify right side
    12,950,855.02x = 127,774,025,695,204.56
  5. Step 5: Solve for x
    x = 127,774,025,695,204.56/12,950,855.02
  6. Step 6: Final answer
    x = 9,866,068.73

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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.