Home / 20,696,882.34-28,560,410.49-11,403,932.37

Finding the Fourth Proportional to 20,696,882.34, 28,560,410.49 and 11,403,932.37

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Solution

The fourth proportional to 20,696,882.34, 28,560,410.49 and 11,403,932.37 is: 15,736,717.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,696,882.34 : 28,560,410.49 = 11,403,932.37 : x
  2. Step 2: Convert to fraction form
    20,696,882.34/28,560,410.49 = 11,403,932.37/x
  3. Step 3: Cross multiply
    20,696,882.34x = 28,560,410.49 × 11,403,932.37
  4. Step 4: Simplify right side
    20,696,882.34x = 325,700,989,623,061.75
  5. Step 5: Solve for x
    x = 325,700,989,623,061.75/20,696,882.34
  6. Step 6: Final answer
    x = 15,736,717.45

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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.