Home / 12,290,589.36-16,969,002.66-10,999,209.60

Finding the Fourth Proportional to 12,290,589.36, 16,969,002.66 and 10,999,209.60

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Solution

The fourth proportional to 12,290,589.36, 16,969,002.66 and 10,999,209.60 is: 15,186,059.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,290,589.36 : 16,969,002.66 = 10,999,209.60 : x
  2. Step 2: Convert to fraction form
    12,290,589.36/16,969,002.66 = 10,999,209.60/x
  3. Step 3: Cross multiply
    12,290,589.36x = 16,969,002.66 × 10,999,209.60
  4. Step 4: Simplify right side
    12,290,589.36x = 186,645,616,960,297.53
  5. Step 5: Solve for x
    x = 186,645,616,960,297.53/12,290,589.36
  6. Step 6: Final answer
    x = 15,186,059.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.