Home / 12,657,696.62-17,467,705.20-6,856,478.32

Finding the Fourth Proportional to 12,657,696.62, 17,467,705.20 and 6,856,478.32

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Solution

The fourth proportional to 12,657,696.62, 17,467,705.20 and 6,856,478.32 is: 9,461,985.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,657,696.62 : 17,467,705.20 = 6,856,478.32 : x
  2. Step 2: Convert to fraction form
    12,657,696.62/17,467,705.20 = 6,856,478.32/x
  3. Step 3: Cross multiply
    12,657,696.62x = 17,467,705.20 × 6,856,478.32
  4. Step 4: Simplify right side
    12,657,696.62x = 119,766,942,003,951.27
  5. Step 5: Solve for x
    x = 119,766,942,003,951.27/12,657,696.62
  6. Step 6: Final answer
    x = 9,461,985.51

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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.