Home / 21,991,209.80-32,973,561.48-9,858,477.56

Finding the Fourth Proportional to 21,991,209.80, 32,973,561.48 and 9,858,477.56

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Solution

The fourth proportional to 21,991,209.80, 32,973,561.48 and 9,858,477.56 is: 14,781,775.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,991,209.80 : 32,973,561.48 = 9,858,477.56 : x
  2. Step 2: Convert to fraction form
    21,991,209.80/32,973,561.48 = 9,858,477.56/x
  3. Step 3: Cross multiply
    21,991,209.80x = 32,973,561.48 × 9,858,477.56
  4. Step 4: Simplify right side
    21,991,209.80x = 325,069,115,923,860.44
  5. Step 5: Solve for x
    x = 325,069,115,923,860.44/21,991,209.80
  6. Step 6: Final answer
    x = 14,781,775.03

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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.