Home / 8,458,617.78-11,670,889.86-4,787,534.16

Finding the Fourth Proportional to 8,458,617.78, 11,670,889.86 and 4,787,534.16

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Solution

The fourth proportional to 8,458,617.78, 11,670,889.86 and 4,787,534.16 is: 6,605,663.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,458,617.78 : 11,670,889.86 = 4,787,534.16 : x
  2. Step 2: Convert to fraction form
    8,458,617.78/11,670,889.86 = 4,787,534.16/x
  3. Step 3: Cross multiply
    8,458,617.78x = 11,670,889.86 × 4,787,534.16
  4. Step 4: Simplify right side
    8,458,617.78x = 55,874,783,882,347.62
  5. Step 5: Solve for x
    x = 55,874,783,882,347.62/8,458,617.78
  6. Step 6: Final answer
    x = 6,605,663.64

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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.