Home / 13,899,679.11-20,831,360.60-7,751,415.35

Finding the Fourth Proportional to 13,899,679.11, 20,831,360.60 and 7,751,415.35

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Solution

The fourth proportional to 13,899,679.11, 20,831,360.60 and 7,751,415.35 is: 11,616,996.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,899,679.11 : 20,831,360.60 = 7,751,415.35 : x
  2. Step 2: Convert to fraction form
    13,899,679.11/20,831,360.60 = 7,751,415.35/x
  3. Step 3: Cross multiply
    13,899,679.11x = 20,831,360.60 × 7,751,415.35
  4. Step 4: Simplify right side
    13,899,679.11x = 161,472,528,387,682.16
  5. Step 5: Solve for x
    x = 161,472,528,387,682.16/13,899,679.11
  6. Step 6: Final answer
    x = 11,616,996.85

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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.