Home / 14,658,993.70-20,231,839.60-8,134,718.90

Finding the Fourth Proportional to 14,658,993.70, 20,231,839.60 and 8,134,718.90

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Solution

The fourth proportional to 14,658,993.70, 20,231,839.60 and 8,134,718.90 is: 11,227,259.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,658,993.70 : 20,231,839.60 = 8,134,718.90 : x
  2. Step 2: Convert to fraction form
    14,658,993.70/20,231,839.60 = 8,134,718.90/x
  3. Step 3: Cross multiply
    14,658,993.70x = 20,231,839.60 × 8,134,718.90
  4. Step 4: Simplify right side
    14,658,993.70x = 164,580,327,854,392.44
  5. Step 5: Solve for x
    x = 164,580,327,854,392.44/14,658,993.70
  6. Step 6: Final answer
    x = 11,227,259.61

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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.