Home / 20,388,529.20-30,582,793.80-6,925,357.20

Finding the Fourth Proportional to 20,388,529.20, 30,582,793.80 and 6,925,357.20

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Solution

The fourth proportional to 20,388,529.20, 30,582,793.80 and 6,925,357.20 is: 10,388,035.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,388,529.20 : 30,582,793.80 = 6,925,357.20 : x
  2. Step 2: Convert to fraction form
    20,388,529.20/30,582,793.80 = 6,925,357.20/x
  3. Step 3: Cross multiply
    20,388,529.20x = 30,582,793.80 × 6,925,357.20
  4. Step 4: Simplify right side
    20,388,529.20x = 211,796,771,238,945.38
  5. Step 5: Solve for x
    x = 211,796,771,238,945.38/20,388,529.20
  6. Step 6: Final answer
    x = 10,388,035.80

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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.