Home / 12,112,664.90-18,152,408.55-9,873,176.90

Finding the Fourth Proportional to 12,112,664.90, 18,152,408.55 and 9,873,176.90

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Solution

The fourth proportional to 12,112,664.90, 18,152,408.55 and 9,873,176.90 is: 14,796,243.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,112,664.90 : 18,152,408.55 = 9,873,176.90 : x
  2. Step 2: Convert to fraction form
    12,112,664.90/18,152,408.55 = 9,873,176.90/x
  3. Step 3: Cross multiply
    12,112,664.90x = 18,152,408.55 × 9,873,176.90
  4. Step 4: Simplify right side
    12,112,664.90x = 179,221,940,775,222.50
  5. Step 5: Solve for x
    x = 179,221,940,775,222.50/12,112,664.90
  6. Step 6: Final answer
    x = 14,796,243.62

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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.