Home / 21,383,722.80-32,004,725.40-19,683,111.60

Finding the Fourth Proportional to 21,383,722.80, 32,004,725.40 and 19,683,111.60

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Solution

The fourth proportional to 21,383,722.80, 32,004,725.40 and 19,683,111.60 is: 29,459,443.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,383,722.80 : 32,004,725.40 = 19,683,111.60 : x
  2. Step 2: Convert to fraction form
    21,383,722.80/32,004,725.40 = 19,683,111.60/x
  3. Step 3: Cross multiply
    21,383,722.80x = 32,004,725.40 × 19,683,111.60
  4. Step 4: Simplify right side
    21,383,722.80x = 629,952,581,775,554.62
  5. Step 5: Solve for x
    x = 629,952,581,775,554.62/21,383,722.80
  6. Step 6: Final answer
    x = 29,459,443.88

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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.