Home / 21,910,756.14-30,227,338.94-13,203,981.08

Finding the Fourth Proportional to 21,910,756.14, 30,227,338.94 and 13,203,981.08

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Solution

The fourth proportional to 21,910,756.14, 30,227,338.94 and 13,203,981.08 is: 18,215,766.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,910,756.14 : 30,227,338.94 = 13,203,981.08 : x
  2. Step 2: Convert to fraction form
    21,910,756.14/30,227,338.94 = 13,203,981.08/x
  3. Step 3: Cross multiply
    21,910,756.14x = 30,227,338.94 × 13,203,981.08
  4. Step 4: Simplify right side
    21,910,756.14x = 399,121,211,462,507.25
  5. Step 5: Solve for x
    x = 399,121,211,462,507.25/21,910,756.14
  6. Step 6: Final answer
    x = 18,215,766.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.