Home / 11,949,644.95-17,924,440.08-5,121,790.86

Finding the Fourth Proportional to 11,949,644.95, 17,924,440.08 and 5,121,790.86

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Solution

The fourth proportional to 11,949,644.95, 17,924,440.08 and 5,121,790.86 is: 7,682,674.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,949,644.95 : 17,924,440.08 = 5,121,790.86 : x
  2. Step 2: Convert to fraction form
    11,949,644.95/17,924,440.08 = 5,121,790.86/x
  3. Step 3: Cross multiply
    11,949,644.95x = 17,924,440.08 × 5,121,790.86
  4. Step 4: Simplify right side
    11,949,644.95x = 91,805,233,372,361.67
  5. Step 5: Solve for x
    x = 91,805,233,372,361.67/11,949,644.95
  6. Step 6: Final answer
    x = 7,682,674.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.