Home / 12,392,342.82-18,595,789.65-5,203,323.90

Finding the Fourth Proportional to 12,392,342.82, 18,595,789.65 and 5,203,323.90

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Solution

The fourth proportional to 12,392,342.82, 18,595,789.65 and 5,203,323.90 is: 7,808,040.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,392,342.82 : 18,595,789.65 = 5,203,323.90 : x
  2. Step 2: Convert to fraction form
    12,392,342.82/18,595,789.65 = 5,203,323.90/x
  3. Step 3: Cross multiply
    12,392,342.82x = 18,595,789.65 × 5,203,323.90
  4. Step 4: Simplify right side
    12,392,342.82x = 96,759,916,725,217.64
  5. Step 5: Solve for x
    x = 96,759,916,725,217.64/12,392,342.82
  6. Step 6: Final answer
    x = 7,808,040.67

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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.