Home / 20,142,811.64-30,223,147.98-10,555,910.84

Finding the Fourth Proportional to 20,142,811.64, 30,223,147.98 and 10,555,910.84

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Solution

The fourth proportional to 20,142,811.64, 30,223,147.98 and 10,555,910.84 is: 15,838,546.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,142,811.64 : 30,223,147.98 = 10,555,910.84 : x
  2. Step 2: Convert to fraction form
    20,142,811.64/30,223,147.98 = 10,555,910.84/x
  3. Step 3: Cross multiply
    20,142,811.64x = 30,223,147.98 × 10,555,910.84
  4. Step 4: Simplify right side
    20,142,811.64x = 319,032,855,496,148.62
  5. Step 5: Solve for x
    x = 319,032,855,496,148.62/20,142,811.64
  6. Step 6: Final answer
    x = 15,838,546.33

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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.