Home / 20,236,616.16-27,935,941.68-11,974,080.48

Finding the Fourth Proportional to 20,236,616.16, 27,935,941.68 and 11,974,080.48

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Solution

The fourth proportional to 20,236,616.16, 27,935,941.68 and 11,974,080.48 is: 16,529,799.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,236,616.16 : 27,935,941.68 = 11,974,080.48 : x
  2. Step 2: Convert to fraction form
    20,236,616.16/27,935,941.68 = 11,974,080.48/x
  3. Step 3: Cross multiply
    20,236,616.16x = 27,935,941.68 × 11,974,080.48
  4. Step 4: Simplify right side
    20,236,616.16x = 334,507,213,960,906.44
  5. Step 5: Solve for x
    x = 334,507,213,960,906.44/20,236,616.16
  6. Step 6: Final answer
    x = 16,529,799.81

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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.