Home / 20,757,254.22-31,138,858.53-6,381,529.20

Finding the Fourth Proportional to 20,757,254.22, 31,138,858.53 and 6,381,529.20

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Solution

The fourth proportional to 20,757,254.22, 31,138,858.53 and 6,381,529.20 is: 9,573,209.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,757,254.22 : 31,138,858.53 = 6,381,529.20 : x
  2. Step 2: Convert to fraction form
    20,757,254.22/31,138,858.53 = 6,381,529.20/x
  3. Step 3: Cross multiply
    20,757,254.22x = 31,138,858.53 × 6,381,529.20
  4. Step 4: Simplify right side
    20,757,254.22x = 198,713,534,963,864.09
  5. Step 5: Solve for x
    x = 198,713,534,963,864.09/20,757,254.22
  6. Step 6: Final answer
    x = 9,573,209.10

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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.