Home / 8,078,635.15-11,148,126.79-4,407,332.83

Finding the Fourth Proportional to 8,078,635.15, 11,148,126.79 and 4,407,332.83

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Solution

The fourth proportional to 8,078,635.15, 11,148,126.79 and 4,407,332.83 is: 6,081,906.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,078,635.15 : 11,148,126.79 = 4,407,332.83 : x
  2. Step 2: Convert to fraction form
    8,078,635.15/11,148,126.79 = 4,407,332.83/x
  3. Step 3: Cross multiply
    8,078,635.15x = 11,148,126.79 × 4,407,332.83
  4. Step 4: Simplify right side
    8,078,635.15x = 49,133,505,194,569.52
  5. Step 5: Solve for x
    x = 49,133,505,194,569.52/8,078,635.15
  6. Step 6: Final answer
    x = 6,081,906.69

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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.