Home / 13,963,481.80-20,945,222.70-12,955,712.20

Finding the Fourth Proportional to 13,963,481.80, 20,945,222.70 and 12,955,712.20

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Solution

The fourth proportional to 13,963,481.80, 20,945,222.70 and 12,955,712.20 is: 19,433,568.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,963,481.80 : 20,945,222.70 = 12,955,712.20 : x
  2. Step 2: Convert to fraction form
    13,963,481.80/20,945,222.70 = 12,955,712.20/x
  3. Step 3: Cross multiply
    13,963,481.80x = 20,945,222.70 × 12,955,712.20
  4. Step 4: Simplify right side
    13,963,481.80x = 271,360,277,266,106.91
  5. Step 5: Solve for x
    x = 271,360,277,266,106.91/13,963,481.80
  6. Step 6: Final answer
    x = 19,433,568.30

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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.