Home / 20,096,675.40-27,739,656.59-15,974,021.85

Finding the Fourth Proportional to 20,096,675.40, 27,739,656.59 and 15,974,021.85

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Solution

The fourth proportional to 20,096,675.40, 27,739,656.59 and 15,974,021.85 is: 22,049,113.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,096,675.40 : 27,739,656.59 = 15,974,021.85 : x
  2. Step 2: Convert to fraction form
    20,096,675.40/27,739,656.59 = 15,974,021.85/x
  3. Step 3: Cross multiply
    20,096,675.40x = 27,739,656.59 × 15,974,021.85
  4. Step 4: Simplify right side
    20,096,675.40x = 443,113,880,400,286.38
  5. Step 5: Solve for x
    x = 443,113,880,400,286.38/20,096,675.40
  6. Step 6: Final answer
    x = 22,049,113.68

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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.