Home / 13,987,294.21-20,975,626.90-6,693,266.89

Finding the Fourth Proportional to 13,987,294.21, 20,975,626.90 and 6,693,266.89

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Solution

The fourth proportional to 13,987,294.21, 20,975,626.90 and 6,693,266.89 is: 10,037,357.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,987,294.21 : 20,975,626.90 = 6,693,266.89 : x
  2. Step 2: Convert to fraction form
    13,987,294.21/20,975,626.90 = 6,693,266.89/x
  3. Step 3: Cross multiply
    13,987,294.21x = 20,975,626.90 × 6,693,266.89
  4. Step 4: Simplify right side
    13,987,294.21x = 140,395,468,888,418.86
  5. Step 5: Solve for x
    x = 140,395,468,888,418.86/13,987,294.21
  6. Step 6: Final answer
    x = 10,037,357.25

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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.