Home / 13,486,493.80-20,229,740.70-4,389,448.60

Finding the Fourth Proportional to 13,486,493.80, 20,229,740.70 and 4,389,448.60

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Solution

The fourth proportional to 13,486,493.80, 20,229,740.70 and 4,389,448.60 is: 6,584,172.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,486,493.80 : 20,229,740.70 = 4,389,448.60 : x
  2. Step 2: Convert to fraction form
    13,486,493.80/20,229,740.70 = 4,389,448.60/x
  3. Step 3: Cross multiply
    13,486,493.80x = 20,229,740.70 × 4,389,448.60
  4. Step 4: Simplify right side
    13,486,493.80x = 88,797,406,993,978.02
  5. Step 5: Solve for x
    x = 88,797,406,993,978.02/13,486,493.80
  6. Step 6: Final answer
    x = 6,584,172.90

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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.