Home / 21,578,877.96-32,372,982.54-11,480,031.24

Finding the Fourth Proportional to 21,578,877.96, 32,372,982.54 and 11,480,031.24

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Solution

The fourth proportional to 21,578,877.96, 32,372,982.54 and 11,480,031.24 is: 17,222,528.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,578,877.96 : 32,372,982.54 = 11,480,031.24 : x
  2. Step 2: Convert to fraction form
    21,578,877.96/32,372,982.54 = 11,480,031.24/x
  3. Step 3: Cross multiply
    21,578,877.96x = 32,372,982.54 × 11,480,031.24
  4. Step 4: Simplify right side
    21,578,877.96x = 371,642,850,891,174.56
  5. Step 5: Solve for x
    x = 371,642,850,891,174.56/21,578,877.96
  6. Step 6: Final answer
    x = 17,222,528.97

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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.