Home / 21,965,997.21-30,313,322.73-12,548,035.47

Finding the Fourth Proportional to 21,965,997.21, 30,313,322.73 and 12,548,035.47

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Solution

The fourth proportional to 21,965,997.21, 30,313,322.73 and 12,548,035.47 is: 17,316,429.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,965,997.21 : 30,313,322.73 = 12,548,035.47 : x
  2. Step 2: Convert to fraction form
    21,965,997.21/30,313,322.73 = 12,548,035.47/x
  3. Step 3: Cross multiply
    21,965,997.21x = 30,313,322.73 × 12,548,035.47
  4. Step 4: Simplify right side
    21,965,997.21x = 380,372,648,829,597.25
  5. Step 5: Solve for x
    x = 380,372,648,829,597.25/21,965,997.21
  6. Step 6: Final answer
    x = 17,316,429.81

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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.