Home / 12,631,718,077.12-18,958,461,027.36-8,757,045,519.04

Finding the Fourth Proportional to 12,631,718,077.12, 18,958,461,027.36 and 8,757,045,519.04

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Solution

The fourth proportional to 12,631,718,077.12, 18,958,461,027.36 and 8,757,045,519.04 is: 13,143,113,642.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,631,718,077.12 : 18,958,461,027.36 = 8,757,045,519.04 : x
  2. Step 2: Convert to fraction form
    12,631,718,077.12/18,958,461,027.36 = 8,757,045,519.04/x
  3. Step 3: Cross multiply
    12,631,718,077.12x = 18,958,461,027.36 × 8,757,045,519.04
  4. Step 4: Simplify right side
    12,631,718,077.12x = 166,020,106,187,537,383,424
  5. Step 5: Solve for x
    x = 166,020,106,187,537,383,424/12,631,718,077.12
  6. Step 6: Final answer
    x = 13,143,113,642.49

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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.