Home / 8,171,103.05-12,240,709.48-6,365,532.25

Finding the Fourth Proportional to 8,171,103.05, 12,240,709.48 and 6,365,532.25

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Solution

The fourth proportional to 8,171,103.05, 12,240,709.48 and 6,365,532.25 is: 9,535,876.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,171,103.05 : 12,240,709.48 = 6,365,532.25 : x
  2. Step 2: Convert to fraction form
    8,171,103.05/12,240,709.48 = 6,365,532.25/x
  3. Step 3: Cross multiply
    8,171,103.05x = 12,240,709.48 × 6,365,532.25
  4. Step 4: Simplify right side
    8,171,103.05x = 77,918,630,957,820.73
  5. Step 5: Solve for x
    x = 77,918,630,957,820.73/8,171,103.05
  6. Step 6: Final answer
    x = 9,535,876.67

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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.