Home / 20,941,532.44-31,412,065.36-8,171,007.64

Finding the Fourth Proportional to 20,941,532.44, 31,412,065.36 and 8,171,007.64

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Solution

The fourth proportional to 20,941,532.44, 31,412,065.36 and 8,171,007.64 is: 12,256,420.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,941,532.44 : 31,412,065.36 = 8,171,007.64 : x
  2. Step 2: Convert to fraction form
    20,941,532.44/31,412,065.36 = 8,171,007.64/x
  3. Step 3: Cross multiply
    20,941,532.44x = 31,412,065.36 × 8,171,007.64
  4. Step 4: Simplify right side
    20,941,532.44x = 256,668,226,044,739.34
  5. Step 5: Solve for x
    x = 256,668,226,044,739.34/20,941,532.44
  6. Step 6: Final answer
    x = 12,256,420.43

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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.