Home / 21,473,087-29,632,860.06-11,815,295

Finding the Fourth Proportional to 21,473,087, 29,632,860.06 and 11,815,295

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Solution

The fourth proportional to 21,473,087, 29,632,860.06 and 11,815,295 is: 16,305,107.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,473,087 : 29,632,860.06 = 11,815,295 : x
  2. Step 2: Convert to fraction form
    21,473,087/29,632,860.06 = 11,815,295/x
  3. Step 3: Cross multiply
    21,473,087x = 29,632,860.06 × 11,815,295
  4. Step 4: Simplify right side
    21,473,087x = 350,120,983,302,617.69
  5. Step 5: Solve for x
    x = 350,120,983,302,617.69/21,473,087
  6. Step 6: Final answer
    x = 16,305,107.10

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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.