Home / 13,209,686.80-19,814,530.20-11,650,793.20

Finding the Fourth Proportional to 13,209,686.80, 19,814,530.20 and 11,650,793.20

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Solution

The fourth proportional to 13,209,686.80, 19,814,530.20 and 11,650,793.20 is: 17,476,189.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,209,686.80 : 19,814,530.20 = 11,650,793.20 : x
  2. Step 2: Convert to fraction form
    13,209,686.80/19,814,530.20 = 11,650,793.20/x
  3. Step 3: Cross multiply
    13,209,686.80x = 19,814,530.20 × 11,650,793.20
  4. Step 4: Simplify right side
    13,209,686.80x = 230,854,993,715,354.62
  5. Step 5: Solve for x
    x = 230,854,993,715,354.62/13,209,686.80
  6. Step 6: Final answer
    x = 17,476,189.80

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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.