Home / 39,071,930.09-53,917,416.77-21,667,901.64

Finding the Fourth Proportional to 39,071,930.09, 53,917,416.77 and 21,667,901.64

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Solution

The fourth proportional to 39,071,930.09, 53,917,416.77 and 21,667,901.64 is: 29,900,680.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,071,930.09 : 53,917,416.77 = 21,667,901.64 : x
  2. Step 2: Convert to fraction form
    39,071,930.09/53,917,416.77 = 21,667,901.64/x
  3. Step 3: Cross multiply
    39,071,930.09x = 53,917,416.77 × 21,667,901.64
  4. Step 4: Simplify right side
    39,071,930.09x = 1,168,277,283,146,907
  5. Step 5: Solve for x
    x = 1,168,277,283,146,907/39,071,930.09
  6. Step 6: Final answer
    x = 29,900,680.12

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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.