Home / 8,336,453.20-12,518,990.08-5,116,896.44

Finding the Fourth Proportional to 8,336,453.20, 12,518,990.08 and 5,116,896.44

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Solution

The fourth proportional to 8,336,453.20, 12,518,990.08 and 5,116,896.44 is: 7,684,128.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,336,453.20 : 12,518,990.08 = 5,116,896.44 : x
  2. Step 2: Convert to fraction form
    8,336,453.20/12,518,990.08 = 5,116,896.44/x
  3. Step 3: Cross multiply
    8,336,453.20x = 12,518,990.08 × 5,116,896.44
  4. Step 4: Simplify right side
    8,336,453.20x = 64,058,375,772,747.32
  5. Step 5: Solve for x
    x = 64,058,375,772,747.32/8,336,453.20
  6. Step 6: Final answer
    x = 7,684,128.28

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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.