Home / 27,789,253.49-38,336,594.59-16,772,481.56

Finding the Fourth Proportional to 27,789,253.49, 38,336,594.59 and 16,772,481.56

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Solution

The fourth proportional to 27,789,253.49, 38,336,594.59 and 16,772,481.56 is: 23,138,434.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,789,253.49 : 38,336,594.59 = 16,772,481.56 : x
  2. Step 2: Convert to fraction form
    27,789,253.49/38,336,594.59 = 16,772,481.56/x
  3. Step 3: Cross multiply
    27,789,253.49x = 38,336,594.59 × 16,772,481.56
  4. Step 4: Simplify right side
    27,789,253.49x = 642,999,825,819,928
  5. Step 5: Solve for x
    x = 642,999,825,819,928/27,789,253.49
  6. Step 6: Final answer
    x = 23,138,434.65

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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.