Home / 12,279,261.12-18,411,016.32-5,095,753.44

Finding the Fourth Proportional to 12,279,261.12, 18,411,016.32 and 5,095,753.44

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Solution

The fourth proportional to 12,279,261.12, 18,411,016.32 and 5,095,753.44 is: 7,640,361.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,279,261.12 : 18,411,016.32 = 5,095,753.44 : x
  2. Step 2: Convert to fraction form
    12,279,261.12/18,411,016.32 = 5,095,753.44/x
  3. Step 3: Cross multiply
    12,279,261.12x = 18,411,016.32 × 5,095,753.44
  4. Step 4: Simplify right side
    12,279,261.12x = 93,817,999,746,536.16
  5. Step 5: Solve for x
    x = 93,817,999,746,536.16/12,279,261.12
  6. Step 6: Final answer
    x = 7,640,361.98

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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.