Home / 19,765,327,763.10-27,266,066,625.78-12,621,230,173.02

Finding the Fourth Proportional to 19,765,327,763.10, 27,266,066,625.78 and 12,621,230,173.02

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Solution

The fourth proportional to 19,765,327,763.10, 27,266,066,625.78 and 12,621,230,173.02 is: 17,410,857,382.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,765,327,763.10 : 27,266,066,625.78 = 12,621,230,173.02 : x
  2. Step 2: Convert to fraction form
    19,765,327,763.10/27,266,066,625.78 = 12,621,230,173.02/x
  3. Step 3: Cross multiply
    19,765,327,763.10x = 27,266,066,625.78 × 12,621,230,173.02
  4. Step 4: Simplify right side
    19,765,327,763.10x = 344,131,302,796,868,124,672
  5. Step 5: Solve for x
    x = 344,131,302,796,868,124,672/19,765,327,763.10
  6. Step 6: Final answer
    x = 17,410,857,382.26

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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.