Home / 20,015,230.95-30,012,057.66-10,798,145.42

Finding the Fourth Proportional to 20,015,230.95, 30,012,057.66 and 10,798,145.42

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Solution

The fourth proportional to 20,015,230.95, 30,012,057.66 and 10,798,145.42 is: 16,191,397.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,015,230.95 : 30,012,057.66 = 10,798,145.42 : x
  2. Step 2: Convert to fraction form
    20,015,230.95/30,012,057.66 = 10,798,145.42/x
  3. Step 3: Cross multiply
    20,015,230.95x = 30,012,057.66 × 10,798,145.42
  4. Step 4: Simplify right side
    20,015,230.95x = 324,074,562,816,044.62
  5. Step 5: Solve for x
    x = 324,074,562,816,044.62/20,015,230.95
  6. Step 6: Final answer
    x = 16,191,397.62

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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.