Home / 12,725,949.76-19,064,840.22-7,522,982.04

Finding the Fourth Proportional to 12,725,949.76, 19,064,840.22 and 7,522,982.04

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Solution

The fourth proportional to 12,725,949.76, 19,064,840.22 and 7,522,982.04 is: 11,270,235.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,725,949.76 : 19,064,840.22 = 7,522,982.04 : x
  2. Step 2: Convert to fraction form
    12,725,949.76/19,064,840.22 = 7,522,982.04/x
  3. Step 3: Cross multiply
    12,725,949.76x = 19,064,840.22 × 7,522,982.04
  4. Step 4: Simplify right side
    12,725,949.76x = 143,424,450,570,529.62
  5. Step 5: Solve for x
    x = 143,424,450,570,529.62/12,725,949.76
  6. Step 6: Final answer
    x = 11,270,235.49

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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.