Home / 20,044,006.39-30,077,383.15-10,821,855.90

Finding the Fourth Proportional to 20,044,006.39, 30,077,383.15 and 10,821,855.90

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Solution

The fourth proportional to 20,044,006.39, 30,077,383.15 and 10,821,855.90 is: 16,238,924.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,044,006.39 : 30,077,383.15 = 10,821,855.90 : x
  2. Step 2: Convert to fraction form
    20,044,006.39/30,077,383.15 = 10,821,855.90/x
  3. Step 3: Cross multiply
    20,044,006.39x = 30,077,383.15 × 10,821,855.90
  4. Step 4: Simplify right side
    20,044,006.39x = 325,493,106,424,705.62
  5. Step 5: Solve for x
    x = 325,493,106,424,705.62/20,044,006.39
  6. Step 6: Final answer
    x = 16,238,924.50

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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.