Home / 9,361,369.77-12,918,707.83-5,231,400.92

Finding the Fourth Proportional to 9,361,369.77, 12,918,707.83 and 5,231,400.92

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Solution

The fourth proportional to 9,361,369.77, 12,918,707.83 and 5,231,400.92 is: 7,219,343.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,361,369.77 : 12,918,707.83 = 5,231,400.92 : x
  2. Step 2: Convert to fraction form
    9,361,369.77/12,918,707.83 = 5,231,400.92/x
  3. Step 3: Cross multiply
    9,361,369.77x = 12,918,707.83 × 5,231,400.92
  4. Step 4: Simplify right side
    9,361,369.77x = 67,582,940,027,073.20
  5. Step 5: Solve for x
    x = 67,582,940,027,073.20/9,361,369.77
  6. Step 6: Final answer
    x = 7,219,343.08

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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.