Home / 12,048,100.91-16,640,068.52-8,121,084.06

Finding the Fourth Proportional to 12,048,100.91, 16,640,068.52 and 8,121,084.06

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Solution

The fourth proportional to 12,048,100.91, 16,640,068.52 and 8,121,084.06 is: 11,216,323.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,048,100.91 : 16,640,068.52 = 8,121,084.06 : x
  2. Step 2: Convert to fraction form
    12,048,100.91/16,640,068.52 = 8,121,084.06/x
  3. Step 3: Cross multiply
    12,048,100.91x = 16,640,068.52 × 8,121,084.06
  4. Step 4: Simplify right side
    12,048,100.91x = 135,135,395,174,474.38
  5. Step 5: Solve for x
    x = 135,135,395,174,474.38/12,048,100.91
  6. Step 6: Final answer
    x = 11,216,323.32

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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.