Home / 38,042,665.48-52,498,979.04-20,639,010.16

Finding the Fourth Proportional to 38,042,665.48, 52,498,979.04 and 20,639,010.16

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Solution

The fourth proportional to 38,042,665.48, 52,498,979.04 and 20,639,010.16 is: 28,481,888.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,042,665.48 : 52,498,979.04 = 20,639,010.16 : x
  2. Step 2: Convert to fraction form
    38,042,665.48/52,498,979.04 = 20,639,010.16/x
  3. Step 3: Cross multiply
    38,042,665.48x = 52,498,979.04 × 20,639,010.16
  4. Step 4: Simplify right side
    38,042,665.48x = 1,083,526,961,796,187
  5. Step 5: Solve for x
    x = 1,083,526,961,796,187/38,042,665.48
  6. Step 6: Final answer
    x = 28,481,888.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.