Home / 20,061,978.84-27,685,851.30-11,359,915.56

Finding the Fourth Proportional to 20,061,978.84, 27,685,851.30 and 11,359,915.56

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Solution

The fourth proportional to 20,061,978.84, 27,685,851.30 and 11,359,915.56 is: 15,676,864.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,061,978.84 : 27,685,851.30 = 11,359,915.56 : x
  2. Step 2: Convert to fraction form
    20,061,978.84/27,685,851.30 = 11,359,915.56/x
  3. Step 3: Cross multiply
    20,061,978.84x = 27,685,851.30 × 11,359,915.56
  4. Step 4: Simplify right side
    20,061,978.84x = 314,508,932,974,716.25
  5. Step 5: Solve for x
    x = 314,508,932,974,716.25/20,061,978.84
  6. Step 6: Final answer
    x = 15,676,864.95

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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.