Home / 18,120,745.92-25,006,305.84-9,860,526.48

Finding the Fourth Proportional to 18,120,745.92, 25,006,305.84 and 9,860,526.48

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Solution

The fourth proportional to 18,120,745.92, 25,006,305.84 and 9,860,526.48 is: 13,607,350.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,120,745.92 : 25,006,305.84 = 9,860,526.48 : x
  2. Step 2: Convert to fraction form
    18,120,745.92/25,006,305.84 = 9,860,526.48/x
  3. Step 3: Cross multiply
    18,120,745.92x = 25,006,305.84 × 9,860,526.48
  4. Step 4: Simplify right side
    18,120,745.92x = 246,575,340,902,298.66
  5. Step 5: Solve for x
    x = 246,575,340,902,298.66/18,120,745.92
  6. Step 6: Final answer
    x = 13,607,350.49

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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.