Home / 13,276,589.31-19,918,427.82-4,757,786.91

Finding the Fourth Proportional to 13,276,589.31, 19,918,427.82 and 4,757,786.91

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Solution

The fourth proportional to 13,276,589.31, 19,918,427.82 and 4,757,786.91 is: 7,137,950.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,276,589.31 : 19,918,427.82 = 4,757,786.91 : x
  2. Step 2: Convert to fraction form
    13,276,589.31/19,918,427.82 = 4,757,786.91/x
  3. Step 3: Cross multiply
    13,276,589.31x = 19,918,427.82 × 4,757,786.91
  4. Step 4: Simplify right side
    13,276,589.31x = 94,767,635,131,934.14
  5. Step 5: Solve for x
    x = 94,767,635,131,934.14/13,276,589.31
  6. Step 6: Final answer
    x = 7,137,950.34

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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.