Home / 21,921,352.40-32,882,028.60-9,137,608.40

Finding the Fourth Proportional to 21,921,352.40, 32,882,028.60 and 9,137,608.40

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Solution

The fourth proportional to 21,921,352.40, 32,882,028.60 and 9,137,608.40 is: 13,706,412.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,921,352.40 : 32,882,028.60 = 9,137,608.40 : x
  2. Step 2: Convert to fraction form
    21,921,352.40/32,882,028.60 = 9,137,608.40/x
  3. Step 3: Cross multiply
    21,921,352.40x = 32,882,028.60 × 9,137,608.40
  4. Step 4: Simplify right side
    21,921,352.40x = 300,463,100,744,400.25
  5. Step 5: Solve for x
    x = 300,463,100,744,400.25/21,921,352.40
  6. Step 6: Final answer
    x = 13,706,412.60

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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.