Home / 39,875,891.33-55,028,779.34-21,541,176.83

Finding the Fourth Proportional to 39,875,891.33, 55,028,779.34 and 21,541,176.83

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Solution

The fourth proportional to 39,875,891.33, 55,028,779.34 and 21,541,176.83 is: 29,726,850.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,875,891.33 : 55,028,779.34 = 21,541,176.83 : x
  2. Step 2: Convert to fraction form
    39,875,891.33/55,028,779.34 = 21,541,176.83/x
  3. Step 3: Cross multiply
    39,875,891.33x = 55,028,779.34 × 21,541,176.83
  4. Step 4: Simplify right side
    39,875,891.33x = 1,185,384,666,119,141
  5. Step 5: Solve for x
    x = 1,185,384,666,119,141/39,875,891.33
  6. Step 6: Final answer
    x = 29,726,850.65

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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.