Home / 20,044,005.77-30,077,382.22-10,821,855.28

Finding the Fourth Proportional to 20,044,005.77, 30,077,382.22 and 10,821,855.28

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Solution

The fourth proportional to 20,044,005.77, 30,077,382.22 and 10,821,855.28 is: 16,238,923.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,044,005.77 : 30,077,382.22 = 10,821,855.28 : x
  2. Step 2: Convert to fraction form
    20,044,005.77/30,077,382.22 = 10,821,855.28/x
  3. Step 3: Cross multiply
    20,044,005.77x = 30,077,382.22 × 10,821,855.28
  4. Step 4: Simplify right side
    20,044,005.77x = 325,493,077,531,975.81
  5. Step 5: Solve for x
    x = 325,493,077,531,975.81/20,044,005.77
  6. Step 6: Final answer
    x = 16,238,923.56

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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.