Home / 21,965,998.21-30,313,324.11-12,548,036.47

Finding the Fourth Proportional to 21,965,998.21, 30,313,324.11 and 12,548,036.47

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Solution

The fourth proportional to 21,965,998.21, 30,313,324.11 and 12,548,036.47 is: 17,316,431.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,965,998.21 : 30,313,324.11 = 12,548,036.47 : x
  2. Step 2: Convert to fraction form
    21,965,998.21/30,313,324.11 = 12,548,036.47/x
  3. Step 3: Cross multiply
    21,965,998.21x = 30,313,324.11 × 12,548,036.47
  4. Step 4: Simplify right side
    21,965,998.21x = 380,372,696,459,210.31
  5. Step 5: Solve for x
    x = 380,372,696,459,210.31/21,965,998.21
  6. Step 6: Final answer
    x = 17,316,431.19

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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.