Home / 27,009,376.72-40,514,004.48-20,870,285.92

Finding the Fourth Proportional to 27,009,376.72, 40,514,004.48 and 20,870,285.92

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Solution

The fourth proportional to 27,009,376.72, 40,514,004.48 and 20,870,285.92 is: 31,305,382.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,009,376.72 : 40,514,004.48 = 20,870,285.92 : x
  2. Step 2: Convert to fraction form
    27,009,376.72/40,514,004.48 = 20,870,285.92/x
  3. Step 3: Cross multiply
    27,009,376.72x = 40,514,004.48 × 20,870,285.92
  4. Step 4: Simplify right side
    27,009,376.72x = 845,538,857,261,760.88
  5. Step 5: Solve for x
    x = 845,538,857,261,760.88/27,009,376.72
  6. Step 6: Final answer
    x = 31,305,382.05

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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.