Home / 19,968,007.20-29,952,010.80-13,244,013.60

Finding the Fourth Proportional to 19,968,007.20, 29,952,010.80 and 13,244,013.60

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Solution

The fourth proportional to 19,968,007.20, 29,952,010.80 and 13,244,013.60 is: 19,866,020.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,968,007.20 : 29,952,010.80 = 13,244,013.60 : x
  2. Step 2: Convert to fraction form
    19,968,007.20/29,952,010.80 = 13,244,013.60/x
  3. Step 3: Cross multiply
    19,968,007.20x = 29,952,010.80 × 13,244,013.60
  4. Step 4: Simplify right side
    19,968,007.20x = 396,684,838,382,546.88
  5. Step 5: Solve for x
    x = 396,684,838,382,546.88/19,968,007.20
  6. Step 6: Final answer
    x = 19,866,020.40

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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.