Home / 15,485,874.88-23,231,913.08-8,672,137.92

Finding the Fourth Proportional to 15,485,874.88, 23,231,913.08 and 8,672,137.92

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Solution

The fourth proportional to 15,485,874.88, 23,231,913.08 and 8,672,137.92 is: 13,009,943.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,485,874.88 : 23,231,913.08 = 8,672,137.92 : x
  2. Step 2: Convert to fraction form
    15,485,874.88/23,231,913.08 = 8,672,137.92/x
  3. Step 3: Cross multiply
    15,485,874.88x = 23,231,913.08 × 8,672,137.92
  4. Step 4: Simplify right side
    15,485,874.88x = 201,470,354,375,211.97
  5. Step 5: Solve for x
    x = 201,470,354,375,211.97/15,485,874.88
  6. Step 6: Final answer
    x = 13,009,943.32

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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.