Home / 30,075,987.21-41,503,788.38-17,022,965.80

Finding the Fourth Proportional to 30,075,987.21, 41,503,788.38 and 17,022,965.80

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Solution

The fourth proportional to 30,075,987.21, 41,503,788.38 and 17,022,965.80 is: 23,491,084.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,075,987.21 : 41,503,788.38 = 17,022,965.80 : x
  2. Step 2: Convert to fraction form
    30,075,987.21/41,503,788.38 = 17,022,965.80/x
  3. Step 3: Cross multiply
    30,075,987.21x = 41,503,788.38 × 17,022,965.80
  4. Step 4: Simplify right side
    30,075,987.21x = 706,517,570,163,177.50
  5. Step 5: Solve for x
    x = 706,517,570,163,177.50/30,075,987.21
  6. Step 6: Final answer
    x = 23,491,084.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.