Home / 20,015,837.68-30,012,964.89-10,798,750.48

Finding the Fourth Proportional to 20,015,837.68, 30,012,964.89 and 10,798,750.48

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Solution

The fourth proportional to 20,015,837.68, 30,012,964.89 and 10,798,750.48 is: 16,192,303.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,015,837.68 : 30,012,964.89 = 10,798,750.48 : x
  2. Step 2: Convert to fraction form
    20,015,837.68/30,012,964.89 = 10,798,750.48/x
  3. Step 3: Cross multiply
    20,015,837.68x = 30,012,964.89 × 10,798,750.48
  4. Step 4: Simplify right side
    20,015,837.68x = 324,102,519,012,110.69
  5. Step 5: Solve for x
    x = 324,102,519,012,110.69/20,015,837.68
  6. Step 6: Final answer
    x = 16,192,303.52

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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.