Home / 13,638,427.65-18,827,167.97-8,994,967.38

Finding the Fourth Proportional to 13,638,427.65, 18,827,167.97 and 8,994,967.38

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Solution

The fourth proportional to 13,638,427.65, 18,827,167.97 and 8,994,967.38 is: 12,417,103.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,638,427.65 : 18,827,167.97 = 8,994,967.38 : x
  2. Step 2: Convert to fraction form
    13,638,427.65/18,827,167.97 = 8,994,967.38/x
  3. Step 3: Cross multiply
    13,638,427.65x = 18,827,167.97 × 8,994,967.38
  4. Step 4: Simplify right side
    13,638,427.65x = 169,349,761,770,418.25
  5. Step 5: Solve for x
    x = 169,349,761,770,418.25/13,638,427.65
  6. Step 6: Final answer
    x = 12,417,103.06

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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.