Home / 20,015,230.95-30,012,057.66-10,798,145.41

Finding the Fourth Proportional to 20,015,230.95, 30,012,057.66 and 10,798,145.41

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Solution

The fourth proportional to 20,015,230.95, 30,012,057.66 and 10,798,145.41 is: 16,191,397.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,015,230.95 : 30,012,057.66 = 10,798,145.41 : x
  2. Step 2: Convert to fraction form
    20,015,230.95/30,012,057.66 = 10,798,145.41/x
  3. Step 3: Cross multiply
    20,015,230.95x = 30,012,057.66 × 10,798,145.41
  4. Step 4: Simplify right side
    20,015,230.95x = 324,074,562,665,984.38
  5. Step 5: Solve for x
    x = 324,074,562,665,984.38/20,015,230.95
  6. Step 6: Final answer
    x = 16,191,397.61

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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.