Home / 27,216,944.70-40,769,429.85-18,706,890.30

Finding the Fourth Proportional to 27,216,944.70, 40,769,429.85 and 18,706,890.30

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Solution

The fourth proportional to 27,216,944.70, 40,769,429.85 and 18,706,890.30 is: 28,021,854.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,216,944.70 : 40,769,429.85 = 18,706,890.30 : x
  2. Step 2: Convert to fraction form
    27,216,944.70/40,769,429.85 = 18,706,890.30/x
  3. Step 3: Cross multiply
    27,216,944.70x = 40,769,429.85 × 18,706,890.30
  4. Step 4: Simplify right side
    27,216,944.70x = 762,669,251,797,495.50
  5. Step 5: Solve for x
    x = 762,669,251,797,495.50/27,216,944.70
  6. Step 6: Final answer
    x = 28,021,854.04

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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.