Home / 16,946,938.80-25,420,408.20-15,553,479.60

Finding the Fourth Proportional to 16,946,938.80, 25,420,408.20 and 15,553,479.60

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Solution

The fourth proportional to 16,946,938.80, 25,420,408.20 and 15,553,479.60 is: 23,330,219.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,946,938.80 : 25,420,408.20 = 15,553,479.60 : x
  2. Step 2: Convert to fraction form
    16,946,938.80/25,420,408.20 = 15,553,479.60/x
  3. Step 3: Cross multiply
    16,946,938.80x = 25,420,408.20 × 15,553,479.60
  4. Step 4: Simplify right side
    16,946,938.80x = 395,375,800,362,372.69
  5. Step 5: Solve for x
    x = 395,375,800,362,372.69/16,946,938.80
  6. Step 6: Final answer
    x = 23,330,219.40

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1.5x scale

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.