Home / 18,314,968.20-27,503,945.10-12,961,192.20

Finding the Fourth Proportional to 18,314,968.20, 27,503,945.10 and 12,961,192.20

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Solution

The fourth proportional to 18,314,968.20, 27,503,945.10 and 12,961,192.20 is: 19,464,075.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,314,968.20 : 27,503,945.10 = 12,961,192.20 : x
  2. Step 2: Convert to fraction form
    18,314,968.20/27,503,945.10 = 12,961,192.20/x
  3. Step 3: Cross multiply
    18,314,968.20x = 27,503,945.10 × 12,961,192.20
  4. Step 4: Simplify right side
    18,314,968.20x = 356,483,918,699,348.25
  5. Step 5: Solve for x
    x = 356,483,918,699,348.25/18,314,968.20
  6. Step 6: Final answer
    x = 19,464,075.22

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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.