Home / 13,458,520.70-20,174,659.05-7,695,338.30

Finding the Fourth Proportional to 13,458,520.70, 20,174,659.05 and 7,695,338.30

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Solution

The fourth proportional to 13,458,520.70, 20,174,659.05 and 7,695,338.30 is: 11,535,504.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,458,520.70 : 20,174,659.05 = 7,695,338.30 : x
  2. Step 2: Convert to fraction form
    13,458,520.70/20,174,659.05 = 7,695,338.30/x
  3. Step 3: Cross multiply
    13,458,520.70x = 20,174,659.05 × 7,695,338.30
  4. Step 4: Simplify right side
    13,458,520.70x = 155,250,826,476,906.62
  5. Step 5: Solve for x
    x = 155,250,826,476,906.62/13,458,520.70
  6. Step 6: Final answer
    x = 11,535,504.53

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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.