Home / 20,569,797.06-28,389,211.87-12,731,823.48

Finding the Fourth Proportional to 20,569,797.06, 28,389,211.87 and 12,731,823.48

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Solution

The fourth proportional to 20,569,797.06, 28,389,211.87 and 12,731,823.48 is: 17,571,706.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,569,797.06 : 28,389,211.87 = 12,731,823.48 : x
  2. Step 2: Convert to fraction form
    20,569,797.06/28,389,211.87 = 12,731,823.48/x
  3. Step 3: Cross multiply
    20,569,797.06x = 28,389,211.87 × 12,731,823.48
  4. Step 4: Simplify right side
    20,569,797.06x = 361,446,434,265,160.75
  5. Step 5: Solve for x
    x = 361,446,434,265,160.75/20,569,797.06
  6. Step 6: Final answer
    x = 17,571,706.38

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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.