Home / 13,377,196.60-20,065,794.90-12,481,401.40

Finding the Fourth Proportional to 13,377,196.60, 20,065,794.90 and 12,481,401.40

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Solution

The fourth proportional to 13,377,196.60, 20,065,794.90 and 12,481,401.40 is: 18,722,102.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,377,196.60 : 20,065,794.90 = 12,481,401.40 : x
  2. Step 2: Convert to fraction form
    13,377,196.60/20,065,794.90 = 12,481,401.40/x
  3. Step 3: Cross multiply
    13,377,196.60x = 20,065,794.90 × 12,481,401.40
  4. Step 4: Simplify right side
    13,377,196.60x = 250,449,240,556,972.84
  5. Step 5: Solve for x
    x = 250,449,240,556,972.84/13,377,196.60
  6. Step 6: Final answer
    x = 18,722,102.10

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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.