Home / 21,794,028.75-30,075,759.68-12,631,985.91

Finding the Fourth Proportional to 21,794,028.75, 30,075,759.68 and 12,631,985.91

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Solution

The fourth proportional to 21,794,028.75, 30,075,759.68 and 12,631,985.91 is: 17,432,140.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,794,028.75 : 30,075,759.68 = 12,631,985.91 : x
  2. Step 2: Convert to fraction form
    21,794,028.75/30,075,759.68 = 12,631,985.91/x
  3. Step 3: Cross multiply
    21,794,028.75x = 30,075,759.68 × 12,631,985.91
  4. Step 4: Simplify right side
    21,794,028.75x = 379,916,572,447,146.19
  5. Step 5: Solve for x
    x = 379,916,572,447,146.19/21,794,028.75
  6. Step 6: Final answer
    x = 17,432,140.56

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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.