Home / 12,856,130.76-17,741,971.97-7,055,120.10

Finding the Fourth Proportional to 12,856,130.76, 17,741,971.97 and 7,055,120.10

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Solution

The fourth proportional to 12,856,130.76, 17,741,971.97 and 7,055,120.10 is: 9,736,346.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,856,130.76 : 17,741,971.97 = 7,055,120.10 : x
  2. Step 2: Convert to fraction form
    12,856,130.76/17,741,971.97 = 7,055,120.10/x
  3. Step 3: Cross multiply
    12,856,130.76x = 17,741,971.97 × 7,055,120.10
  4. Step 4: Simplify right side
    12,856,130.76x = 125,171,742,997,252.44
  5. Step 5: Solve for x
    x = 125,171,742,997,252.44/12,856,130.76
  6. Step 6: Final answer
    x = 9,736,346.44

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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.