Home / 8,166,238.40-12,248,767.11-3,905,262.56

Finding the Fourth Proportional to 8,166,238.40, 12,248,767.11 and 3,905,262.56

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Solution

The fourth proportional to 8,166,238.40, 12,248,767.11 and 3,905,262.56 is: 5,857,611.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,166,238.40 : 12,248,767.11 = 3,905,262.56 : x
  2. Step 2: Convert to fraction form
    8,166,238.40/12,248,767.11 = 3,905,262.56/x
  3. Step 3: Cross multiply
    8,166,238.40x = 12,248,767.11 × 3,905,262.56
  4. Step 4: Simplify right side
    8,166,238.40x = 47,834,651,600,842.40
  5. Step 5: Solve for x
    x = 47,834,651,600,842.40/8,166,238.40
  6. Step 6: Final answer
    x = 5,857,611.46

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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.