Home / 21,951,980.24-30,293,339.27-12,162,227.49

Finding the Fourth Proportional to 21,951,980.24, 30,293,339.27 and 12,162,227.49

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Solution

The fourth proportional to 21,951,980.24, 30,293,339.27 and 12,162,227.49 is: 16,783,655.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,951,980.24 : 30,293,339.27 = 12,162,227.49 : x
  2. Step 2: Convert to fraction form
    21,951,980.24/30,293,339.27 = 12,162,227.49/x
  3. Step 3: Cross multiply
    21,951,980.24x = 30,293,339.27 × 12,162,227.49
  4. Step 4: Simplify right side
    21,951,980.24x = 368,434,483,572,679.44
  5. Step 5: Solve for x
    x = 368,434,483,572,679.44/21,951,980.24
  6. Step 6: Final answer
    x = 16,783,655.94

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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.