Home / 14,347,540.40-21,492,280.20-8,939,591.60

Finding the Fourth Proportional to 14,347,540.40, 21,492,280.20 and 8,939,591.60

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Solution

The fourth proportional to 14,347,540.40, 21,492,280.20 and 8,939,591.60 is: 13,391,299.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,347,540.40 : 21,492,280.20 = 8,939,591.60 : x
  2. Step 2: Convert to fraction form
    14,347,540.40/21,492,280.20 = 8,939,591.60/x
  3. Step 3: Cross multiply
    14,347,540.40x = 21,492,280.20 × 8,939,591.60
  4. Step 4: Simplify right side
    14,347,540.40x = 192,132,207,540,766.31
  5. Step 5: Solve for x
    x = 192,132,207,540,766.31/14,347,540.40
  6. Step 6: Final answer
    x = 13,391,299.29

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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.