Home / 28,044,231.21-42,071,800.41-10,771,168.32

Finding the Fourth Proportional to 28,044,231.21, 42,071,800.41 and 10,771,168.32

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Solution

The fourth proportional to 28,044,231.21, 42,071,800.41 and 10,771,168.32 is: 16,158,847.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,044,231.21 : 42,071,800.41 = 10,771,168.32 : x
  2. Step 2: Convert to fraction form
    28,044,231.21/42,071,800.41 = 10,771,168.32/x
  3. Step 3: Cross multiply
    28,044,231.21x = 42,071,800.41 × 10,771,168.32
  4. Step 4: Simplify right side
    28,044,231.21x = 453,162,443,741,555
  5. Step 5: Solve for x
    x = 453,162,443,741,555/28,044,231.21
  6. Step 6: Final answer
    x = 16,158,847.09

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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.