Home / 13,867,003.07-19,142,593.41-8,287,218.03

Finding the Fourth Proportional to 13,867,003.07, 19,142,593.41 and 8,287,218.03

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Solution

The fourth proportional to 13,867,003.07, 19,142,593.41 and 8,287,218.03 is: 11,440,023.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,867,003.07 : 19,142,593.41 = 8,287,218.03 : x
  2. Step 2: Convert to fraction form
    13,867,003.07/19,142,593.41 = 8,287,218.03/x
  3. Step 3: Cross multiply
    13,867,003.07x = 19,142,593.41 × 8,287,218.03
  4. Step 4: Simplify right side
    13,867,003.07x = 158,638,845,351,173
  5. Step 5: Solve for x
    x = 158,638,845,351,173/13,867,003.07
  6. Step 6: Final answer
    x = 11,440,023.82

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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.