Home / 30,618,737.20-45,867,965.35-20,212,250.13

Finding the Fourth Proportional to 30,618,737.20, 45,867,965.35 and 20,212,250.13

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Solution

The fourth proportional to 30,618,737.20, 45,867,965.35 and 20,212,250.13 is: 30,278,674.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,618,737.20 : 45,867,965.35 = 20,212,250.13 : x
  2. Step 2: Convert to fraction form
    30,618,737.20/45,867,965.35 = 20,212,250.13/x
  3. Step 3: Cross multiply
    30,618,737.20x = 45,867,965.35 × 20,212,250.13
  4. Step 4: Simplify right side
    30,618,737.20x = 927,094,788,523,590.88
  5. Step 5: Solve for x
    x = 927,094,788,523,590.88/30,618,737.20
  6. Step 6: Final answer
    x = 30,278,674.87

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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.