Home / 13,365,730.80-20,048,596.20-3,910,114.80

Finding the Fourth Proportional to 13,365,730.80, 20,048,596.20 and 3,910,114.80

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Solution

The fourth proportional to 13,365,730.80, 20,048,596.20 and 3,910,114.80 is: 5,865,172.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,365,730.80 : 20,048,596.20 = 3,910,114.80 : x
  2. Step 2: Convert to fraction form
    13,365,730.80/20,048,596.20 = 3,910,114.80/x
  3. Step 3: Cross multiply
    13,365,730.80x = 20,048,596.20 × 3,910,114.80
  4. Step 4: Simplify right side
    13,365,730.80x = 78,392,312,720,843.75
  5. Step 5: Solve for x
    x = 78,392,312,720,843.75/13,365,730.80
  6. Step 6: Final answer
    x = 5,865,172.20

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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.