Home / 18,019,087.20-27,026,006.40-5,238,259.20

Finding the Fourth Proportional to 18,019,087.20, 27,026,006.40 and 5,238,259.20

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Solution

The fourth proportional to 18,019,087.20, 27,026,006.40 and 5,238,259.20 is: 7,856,625.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,019,087.20 : 27,026,006.40 = 5,238,259.20 : x
  2. Step 2: Convert to fraction form
    18,019,087.20/27,026,006.40 = 5,238,259.20/x
  3. Step 3: Cross multiply
    18,019,087.20x = 27,026,006.40 × 5,238,259.20
  4. Step 4: Simplify right side
    18,019,087.20x = 141,569,226,664,058.88
  5. Step 5: Solve for x
    x = 141,569,226,664,058.88/18,019,087.20
  6. Step 6: Final answer
    x = 7,856,625.87

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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.