Home / 20,015,229.95-30,012,056.16-10,798,144.41

Finding the Fourth Proportional to 20,015,229.95, 30,012,056.16 and 10,798,144.41

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Solution

The fourth proportional to 20,015,229.95, 30,012,056.16 and 10,798,144.41 is: 16,191,396.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,015,229.95 : 30,012,056.16 = 10,798,144.41 : x
  2. Step 2: Convert to fraction form
    20,015,229.95/30,012,056.16 = 10,798,144.41/x
  3. Step 3: Cross multiply
    20,015,229.95x = 30,012,056.16 × 10,798,144.41
  4. Step 4: Simplify right side
    20,015,229.95x = 324,074,516,456,710.06
  5. Step 5: Solve for x
    x = 324,074,516,456,710.06/20,015,229.95
  6. Step 6: Final answer
    x = 16,191,396.12

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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.