Home / 13,174,611.36-18,180,961.01-7,373,392.47

Finding the Fourth Proportional to 13,174,611.36, 18,180,961.01 and 7,373,392.47

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Solution

The fourth proportional to 13,174,611.36, 18,180,961.01 and 7,373,392.47 is: 10,175,280.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,174,611.36 : 18,180,961.01 = 7,373,392.47 : x
  2. Step 2: Convert to fraction form
    13,174,611.36/18,180,961.01 = 7,373,392.47/x
  3. Step 3: Cross multiply
    13,174,611.36x = 18,180,961.01 × 7,373,392.47
  4. Step 4: Simplify right side
    13,174,611.36x = 134,055,361,008,497.61
  5. Step 5: Solve for x
    x = 134,055,361,008,497.61/13,174,611.36
  6. Step 6: Final answer
    x = 10,175,280.12

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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.