Home / 8,340,115-11,509,280.92-4,718,443

Finding the Fourth Proportional to 8,340,115, 11,509,280.92 and 4,718,443

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Solution

The fourth proportional to 8,340,115, 11,509,280.92 and 4,718,443 is: 6,511,407.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,340,115 : 11,509,280.92 = 4,718,443 : x
  2. Step 2: Convert to fraction form
    8,340,115/11,509,280.92 = 4,718,443/x
  3. Step 3: Cross multiply
    8,340,115x = 11,509,280.92 × 4,718,443
  4. Step 4: Simplify right side
    8,340,115x = 54,305,885,992,007.56
  5. Step 5: Solve for x
    x = 54,305,885,992,007.56/8,340,115
  6. Step 6: Final answer
    x = 6,511,407.34

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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.