Home / 5,518,965.92-8,279,828.52-5,427,425.36

Finding the Fourth Proportional to 5,518,965.92, 8,279,828.52 and 5,427,425.36

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Solution

The fourth proportional to 5,518,965.92, 8,279,828.52 and 5,427,425.36 is: 8,142,494.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,518,965.92 : 8,279,828.52 = 5,427,425.36 : x
  2. Step 2: Convert to fraction form
    5,518,965.92/8,279,828.52 = 5,427,425.36/x
  3. Step 3: Cross multiply
    5,518,965.92x = 8,279,828.52 × 5,427,425.36
  4. Step 4: Simplify right side
    5,518,965.92x = 44,938,151,285,899.27
  5. Step 5: Solve for x
    x = 44,938,151,285,899.27/5,518,965.92
  6. Step 6: Final answer
    x = 8,142,494.80

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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.