Home / 21,909,914.10-32,801,885.55-13,406,858.10

Finding the Fourth Proportional to 21,909,914.10, 32,801,885.55 and 13,406,858.10

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Solution

The fourth proportional to 21,909,914.10, 32,801,885.55 and 13,406,858.10 is: 20,071,745.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,909,914.10 : 32,801,885.55 = 13,406,858.10 : x
  2. Step 2: Convert to fraction form
    21,909,914.10/32,801,885.55 = 13,406,858.10/x
  3. Step 3: Cross multiply
    21,909,914.10x = 32,801,885.55 × 13,406,858.10
  4. Step 4: Simplify right side
    21,909,914.10x = 439,770,224,981,290.44
  5. Step 5: Solve for x
    x = 439,770,224,981,290.44/21,909,914.10
  6. Step 6: Final answer
    x = 20,071,745.74

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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.