Home / 13,824,782.55-20,752,920.23-8,148,205.35

Finding the Fourth Proportional to 13,824,782.55, 20,752,920.23 and 8,148,205.35

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Solution

The fourth proportional to 13,824,782.55, 20,752,920.23 and 8,148,205.35 is: 12,231,588.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,824,782.55 : 20,752,920.23 = 8,148,205.35 : x
  2. Step 2: Convert to fraction form
    13,824,782.55/20,752,920.23 = 8,148,205.35/x
  3. Step 3: Cross multiply
    13,824,782.55x = 20,752,920.23 × 8,148,205.35
  4. Step 4: Simplify right side
    13,824,782.55x = 169,099,055,605,468.22
  5. Step 5: Solve for x
    x = 169,099,055,605,468.22/13,824,782.55
  6. Step 6: Final answer
    x = 12,231,588.81

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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.