Home / 31,968,000.80-47,952,001.20-18,321,120.80

Finding the Fourth Proportional to 31,968,000.80, 47,952,001.20 and 18,321,120.80

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Solution

The fourth proportional to 31,968,000.80, 47,952,001.20 and 18,321,120.80 is: 27,481,681.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,968,000.80 : 47,952,001.20 = 18,321,120.80 : x
  2. Step 2: Convert to fraction form
    31,968,000.80/47,952,001.20 = 18,321,120.80/x
  3. Step 3: Cross multiply
    31,968,000.80x = 47,952,001.20 × 18,321,120.80
  4. Step 4: Simplify right side
    31,968,000.80x = 878,534,406,586,945
  5. Step 5: Solve for x
    x = 878,534,406,586,945/31,968,000.80
  6. Step 6: Final answer
    x = 27,481,681.20

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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.