Home / 13,290,775.60-19,936,163.40-11,306,729.20

Finding the Fourth Proportional to 13,290,775.60, 19,936,163.40 and 11,306,729.20

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Solution

The fourth proportional to 13,290,775.60, 19,936,163.40 and 11,306,729.20 is: 16,960,093.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,290,775.60 : 19,936,163.40 = 11,306,729.20 : x
  2. Step 2: Convert to fraction form
    13,290,775.60/19,936,163.40 = 11,306,729.20/x
  3. Step 3: Cross multiply
    13,290,775.60x = 19,936,163.40 × 11,306,729.20
  4. Step 4: Simplify right side
    13,290,775.60x = 225,412,800,850,751.25
  5. Step 5: Solve for x
    x = 225,412,800,850,751.25/13,290,775.60
  6. Step 6: Final answer
    x = 16,960,093.80

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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.