Home / 20,856,147.30-31,284,220.95-17,706,867.30

Finding the Fourth Proportional to 20,856,147.30, 31,284,220.95 and 17,706,867.30

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Solution

The fourth proportional to 20,856,147.30, 31,284,220.95 and 17,706,867.30 is: 26,560,300.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,856,147.30 : 31,284,220.95 = 17,706,867.30 : x
  2. Step 2: Convert to fraction form
    20,856,147.30/31,284,220.95 = 17,706,867.30/x
  3. Step 3: Cross multiply
    20,856,147.30x = 31,284,220.95 × 17,706,867.30
  4. Step 4: Simplify right side
    20,856,147.30x = 553,945,548,945,529.94
  5. Step 5: Solve for x
    x = 553,945,548,945,529.94/20,856,147.30
  6. Step 6: Final answer
    x = 26,560,300.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.