Home / 13,565,538.20-20,348,307.30-11,738,955.80

Finding the Fourth Proportional to 13,565,538.20, 20,348,307.30 and 11,738,955.80

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Solution

The fourth proportional to 13,565,538.20, 20,348,307.30 and 11,738,955.80 is: 17,608,433.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,565,538.20 : 20,348,307.30 = 11,738,955.80 : x
  2. Step 2: Convert to fraction form
    13,565,538.20/20,348,307.30 = 11,738,955.80/x
  3. Step 3: Cross multiply
    13,565,538.20x = 20,348,307.30 × 11,738,955.80
  4. Step 4: Simplify right side
    13,565,538.20x = 238,867,879,999,517.38
  5. Step 5: Solve for x
    x = 238,867,879,999,517.38/13,565,538.20
  6. Step 6: Final answer
    x = 17,608,433.70

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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.