Home / 12,107,551.21-18,152,811.42-5,623,742.55

Finding the Fourth Proportional to 12,107,551.21, 18,152,811.42 and 5,623,742.55

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Solution

The fourth proportional to 12,107,551.21, 18,152,811.42 and 5,623,742.55 is: 8,431,658.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,107,551.21 : 18,152,811.42 = 5,623,742.55 : x
  2. Step 2: Convert to fraction form
    12,107,551.21/18,152,811.42 = 5,623,742.55/x
  3. Step 3: Cross multiply
    12,107,551.21x = 18,152,811.42 × 5,623,742.55
  4. Step 4: Simplify right side
    12,107,551.21x = 102,086,738,031,763.94
  5. Step 5: Solve for x
    x = 102,086,738,031,763.94/12,107,551.21
  6. Step 6: Final answer
    x = 8,431,658.58

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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.