Home / 13,775,296.32-20,662,260.93-5,138,723.88

Finding the Fourth Proportional to 13,775,296.32, 20,662,260.93 and 5,138,723.88

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Solution

The fourth proportional to 13,775,296.32, 20,662,260.93 and 5,138,723.88 is: 7,707,830.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,775,296.32 : 20,662,260.93 = 5,138,723.88 : x
  2. Step 2: Convert to fraction form
    13,775,296.32/20,662,260.93 = 5,138,723.88/x
  3. Step 3: Cross multiply
    13,775,296.32x = 20,662,260.93 × 5,138,723.88
  4. Step 4: Simplify right side
    13,775,296.32x = 106,177,653,655,782
  5. Step 5: Solve for x
    x = 106,177,653,655,782/13,775,296.32
  6. Step 6: Final answer
    x = 7,707,830.83

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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.