Home / 8,345,664.52-12,518,362.38-2,665,851.40

Finding the Fourth Proportional to 8,345,664.52, 12,518,362.38 and 2,665,851.40

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Solution

The fourth proportional to 8,345,664.52, 12,518,362.38 and 2,665,851.40 is: 3,998,734.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,345,664.52 : 12,518,362.38 = 2,665,851.40 : x
  2. Step 2: Convert to fraction form
    8,345,664.52/12,518,362.38 = 2,665,851.40/x
  3. Step 3: Cross multiply
    8,345,664.52x = 12,518,362.38 × 2,665,851.40
  4. Step 4: Simplify right side
    8,345,664.52x = 33,372,093,876,430.33
  5. Step 5: Solve for x
    x = 33,372,093,876,430.33/8,345,664.52
  6. Step 6: Final answer
    x = 3,998,734.17

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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.