Home / 14,659,084.78-20,231,965.17-8,134,809.94

Finding the Fourth Proportional to 14,659,084.78, 20,231,965.17 and 8,134,809.94

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Solution

The fourth proportional to 14,659,084.78, 20,231,965.17 and 8,134,809.94 is: 11,227,385.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,659,084.78 : 20,231,965.17 = 8,134,809.94 : x
  2. Step 2: Convert to fraction form
    14,659,084.78/20,231,965.17 = 8,134,809.94/x
  3. Step 3: Cross multiply
    14,659,084.78x = 20,231,965.17 × 8,134,809.94
  4. Step 4: Simplify right side
    14,659,084.78x = 164,583,191,370,649.81
  5. Step 5: Solve for x
    x = 164,583,191,370,649.81/14,659,084.78
  6. Step 6: Final answer
    x = 11,227,385.19

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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.