Home / 20,236,728.03-30,355,097.21-5,665,794.20

Finding the Fourth Proportional to 20,236,728.03, 30,355,097.21 and 5,665,794.20

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Solution

The fourth proportional to 20,236,728.03, 30,355,097.21 and 5,665,794.20 is: 8,498,692.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,236,728.03 : 30,355,097.21 = 5,665,794.20 : x
  2. Step 2: Convert to fraction form
    20,236,728.03/30,355,097.21 = 5,665,794.20/x
  3. Step 3: Cross multiply
    20,236,728.03x = 30,355,097.21 × 5,665,794.20
  4. Step 4: Simplify right side
    20,236,728.03x = 171,985,733,712,854.19
  5. Step 5: Solve for x
    x = 171,985,733,712,854.19/20,236,728.03
  6. Step 6: Final answer
    x = 8,498,692.75

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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.