Home / 57,838,013.08-86,753,963.99-18,971,345.37

Finding the Fourth Proportional to 57,838,013.08, 86,753,963.99 and 18,971,345.37

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Solution

The fourth proportional to 57,838,013.08, 86,753,963.99 and 18,971,345.37 is: 28,456,015.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,838,013.08 : 86,753,963.99 = 18,971,345.37 : x
  2. Step 2: Convert to fraction form
    57,838,013.08/86,753,963.99 = 18,971,345.37/x
  3. Step 3: Cross multiply
    57,838,013.08x = 86,753,963.99 × 18,971,345.37
  4. Step 4: Simplify right side
    57,838,013.08x = 1,645,839,413,070,833.25
  5. Step 5: Solve for x
    x = 1,645,839,413,070,833.25/57,838,013.08
  6. Step 6: Final answer
    x = 28,456,015.78

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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.