Home / 12,950,977.46-17,871,879.02-7,149,634.74

Finding the Fourth Proportional to 12,950,977.46, 17,871,879.02 and 7,149,634.74

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Solution

The fourth proportional to 12,950,977.46, 17,871,879.02 and 7,149,634.74 is: 9,866,236.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,950,977.46 : 17,871,879.02 = 7,149,634.74 : x
  2. Step 2: Convert to fraction form
    12,950,977.46/17,871,879.02 = 7,149,634.74/x
  3. Step 3: Cross multiply
    12,950,977.46x = 17,871,879.02 × 7,149,634.74
  4. Step 4: Simplify right side
    12,950,977.46x = 127,777,407,074,720.98
  5. Step 5: Solve for x
    x = 127,777,407,074,720.98/12,950,977.46
  6. Step 6: Final answer
    x = 9,866,236.55

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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.