Home / 21,988,661.40-32,982,992.10-9,223,579.80

Finding the Fourth Proportional to 21,988,661.40, 32,982,992.10 and 9,223,579.80

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Solution

The fourth proportional to 21,988,661.40, 32,982,992.10 and 9,223,579.80 is: 13,835,369.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,988,661.40 : 32,982,992.10 = 9,223,579.80 : x
  2. Step 2: Convert to fraction form
    21,988,661.40/32,982,992.10 = 9,223,579.80/x
  3. Step 3: Cross multiply
    21,988,661.40x = 32,982,992.10 × 9,223,579.80
  4. Step 4: Simplify right side
    21,988,661.40x = 304,221,259,677,119.62
  5. Step 5: Solve for x
    x = 304,221,259,677,119.62/21,988,661.40
  6. Step 6: Final answer
    x = 13,835,369.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.