Home / 12,167,312.63-16,792,735.70-6,940,295.15

Finding the Fourth Proportional to 12,167,312.63, 16,792,735.70 and 6,940,295.15

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Solution

The fourth proportional to 12,167,312.63, 16,792,735.70 and 6,940,295.15 is: 9,578,659.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,167,312.63 : 16,792,735.70 = 6,940,295.15 : x
  2. Step 2: Convert to fraction form
    12,167,312.63/16,792,735.70 = 6,940,295.15/x
  3. Step 3: Cross multiply
    12,167,312.63x = 16,792,735.70 × 6,940,295.15
  4. Step 4: Simplify right side
    12,167,312.63x = 116,546,542,067,328.91
  5. Step 5: Solve for x
    x = 116,546,542,067,328.91/12,167,312.63
  6. Step 6: Final answer
    x = 9,578,659.29

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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.