Home / 21,888,875.30-30,206,654.53-11,965,801.14

Finding the Fourth Proportional to 21,888,875.30, 30,206,654.53 and 11,965,801.14

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Solution

The fourth proportional to 21,888,875.30, 30,206,654.53 and 11,965,801.14 is: 16,512,809.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,888,875.30 : 30,206,654.53 = 11,965,801.14 : x
  2. Step 2: Convert to fraction form
    21,888,875.30/30,206,654.53 = 11,965,801.14/x
  3. Step 3: Cross multiply
    21,888,875.30x = 30,206,654.53 × 11,965,801.14
  4. Step 4: Simplify right side
    21,888,875.30x = 361,446,821,180,745.69
  5. Step 5: Solve for x
    x = 361,446,821,180,745.69/21,888,875.30
  6. Step 6: Final answer
    x = 16,512,809.19

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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.