Home / 21,845,986.80-32,789,975.40-11,075,449.20

Finding the Fourth Proportional to 21,845,986.80, 32,789,975.40 and 11,075,449.20

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Solution

The fourth proportional to 21,845,986.80, 32,789,975.40 and 11,075,449.20 is: 16,623,817.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,845,986.80 : 32,789,975.40 = 11,075,449.20 : x
  2. Step 2: Convert to fraction form
    21,845,986.80/32,789,975.40 = 11,075,449.20/x
  3. Step 3: Cross multiply
    21,845,986.80x = 32,789,975.40 × 11,075,449.20
  4. Step 4: Simplify right side
    21,845,986.80x = 363,163,706,811,949.62
  5. Step 5: Solve for x
    x = 363,163,706,811,949.62/21,845,986.80
  6. Step 6: Final answer
    x = 16,623,817.92

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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.