Home / 22,738,713.12-31,381,212.96-12,949,571.52

Finding the Fourth Proportional to 22,738,713.12, 31,381,212.96 and 12,949,571.52

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Solution

The fourth proportional to 22,738,713.12, 31,381,212.96 and 12,949,571.52 is: 17,871,427.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,738,713.12 : 31,381,212.96 = 12,949,571.52 : x
  2. Step 2: Convert to fraction form
    22,738,713.12/31,381,212.96 = 12,949,571.52/x
  3. Step 3: Cross multiply
    22,738,713.12x = 31,381,212.96 × 12,949,571.52
  4. Step 4: Simplify right side
    22,738,713.12x = 406,373,261,609,870.88
  5. Step 5: Solve for x
    x = 406,373,261,609,870.88/22,738,713.12
  6. Step 6: Final answer
    x = 17,871,427.44

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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.