Home / 25,859,789.76-38,789,879.08-11,478,991.44

Finding the Fourth Proportional to 25,859,789.76, 38,789,879.08 and 11,478,991.44

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Solution

The fourth proportional to 25,859,789.76, 38,789,879.08 and 11,478,991.44 is: 17,218,573.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,859,789.76 : 38,789,879.08 = 11,478,991.44 : x
  2. Step 2: Convert to fraction form
    25,859,789.76/38,789,879.08 = 11,478,991.44/x
  3. Step 3: Cross multiply
    25,859,789.76x = 38,789,879.08 × 11,478,991.44
  4. Step 4: Simplify right side
    25,859,789.76x = 445,268,689,917,955.06
  5. Step 5: Solve for x
    x = 445,268,689,917,955.06/25,859,789.76
  6. Step 6: Final answer
    x = 17,218,573.47

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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.