Home / 13,377,216.60-20,065,824.90-12,481,421.40

Finding the Fourth Proportional to 13,377,216.60, 20,065,824.90 and 12,481,421.40

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Solution

The fourth proportional to 13,377,216.60, 20,065,824.90 and 12,481,421.40 is: 18,722,132.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,377,216.60 : 20,065,824.90 = 12,481,421.40 : x
  2. Step 2: Convert to fraction form
    13,377,216.60/20,065,824.90 = 12,481,421.40/x
  3. Step 3: Cross multiply
    13,377,216.60x = 20,065,824.90 × 12,481,421.40
  4. Step 4: Simplify right side
    13,377,216.60x = 250,450,016,315,512.84
  5. Step 5: Solve for x
    x = 250,450,016,315,512.84/13,377,216.60
  6. Step 6: Final answer
    x = 18,722,132.10

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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.