Home / 20,330,883.60-30,468,331.80-13,488,003.60

Finding the Fourth Proportional to 20,330,883.60, 30,468,331.80 and 13,488,003.60

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Solution

The fourth proportional to 20,330,883.60, 30,468,331.80 and 13,488,003.60 is: 20,213,433.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,330,883.60 : 30,468,331.80 = 13,488,003.60 : x
  2. Step 2: Convert to fraction form
    20,330,883.60/30,468,331.80 = 13,488,003.60/x
  3. Step 3: Cross multiply
    20,330,883.60x = 30,468,331.80 × 13,488,003.60
  4. Step 4: Simplify right side
    20,330,883.60x = 410,956,969,004,394.50
  5. Step 5: Solve for x
    x = 410,956,969,004,394.50/20,330,883.60
  6. Step 6: Final answer
    x = 20,213,433.76

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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.