Home / 20,252,127.45-27,948,021.05-10,959,697.95

Finding the Fourth Proportional to 20,252,127.45, 27,948,021.05 and 10,959,697.95

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Solution

The fourth proportional to 20,252,127.45, 27,948,021.05 and 10,959,697.95 is: 15,124,429.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,252,127.45 : 27,948,021.05 = 10,959,697.95 : x
  2. Step 2: Convert to fraction form
    20,252,127.45/27,948,021.05 = 10,959,697.95/x
  3. Step 3: Cross multiply
    20,252,127.45x = 27,948,021.05 × 10,959,697.95
  4. Step 4: Simplify right side
    20,252,127.45x = 306,301,869,046,944.75
  5. Step 5: Solve for x
    x = 306,301,869,046,944.75/20,252,127.45
  6. Step 6: Final answer
    x = 15,124,429.27

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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.