Home / 20,614,061.70-30,921,092.55-18,630,015.30

Finding the Fourth Proportional to 20,614,061.70, 30,921,092.55 and 18,630,015.30

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Solution

The fourth proportional to 20,614,061.70, 30,921,092.55 and 18,630,015.30 is: 27,945,022.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,614,061.70 : 30,921,092.55 = 18,630,015.30 : x
  2. Step 2: Convert to fraction form
    20,614,061.70/30,921,092.55 = 18,630,015.30/x
  3. Step 3: Cross multiply
    20,614,061.70x = 30,921,092.55 × 18,630,015.30
  4. Step 4: Simplify right side
    20,614,061.70x = 576,060,427,299,216
  5. Step 5: Solve for x
    x = 576,060,427,299,216/20,614,061.70
  6. Step 6: Final answer
    x = 27,945,022.95

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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.