Home / 31,968,000.30-47,952,000.45-18,321,120.30

Finding the Fourth Proportional to 31,968,000.30, 47,952,000.45 and 18,321,120.30

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Solution

The fourth proportional to 31,968,000.30, 47,952,000.45 and 18,321,120.30 is: 27,481,680.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,968,000.30 : 47,952,000.45 = 18,321,120.30 : x
  2. Step 2: Convert to fraction form
    31,968,000.30/47,952,000.45 = 18,321,120.30/x
  3. Step 3: Cross multiply
    31,968,000.30x = 47,952,000.45 × 18,321,120.30
  4. Step 4: Simplify right side
    31,968,000.30x = 878,534,368,870,104.25
  5. Step 5: Solve for x
    x = 878,534,368,870,104.25/31,968,000.30
  6. Step 6: Final answer
    x = 27,481,680.45

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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.