Home / 27,782,761.59-38,339,713.88-15,392,606.51

Finding the Fourth Proportional to 27,782,761.59, 38,339,713.88 and 15,392,606.51

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Solution

The fourth proportional to 27,782,761.59, 38,339,713.88 and 15,392,606.51 is: 21,241,521.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,782,761.59 : 38,339,713.88 = 15,392,606.51 : x
  2. Step 2: Convert to fraction form
    27,782,761.59/38,339,713.88 = 15,392,606.51/x
  3. Step 3: Cross multiply
    27,782,761.59x = 38,339,713.88 × 15,392,606.51
  4. Step 4: Simplify right side
    27,782,761.59x = 590,148,129,192,163.75
  5. Step 5: Solve for x
    x = 590,148,129,192,163.75/27,782,761.59
  6. Step 6: Final answer
    x = 21,241,521.56

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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.