Home / 13,887,957.39-20,831,876.58-3,513,274.64

Finding the Fourth Proportional to 13,887,957.39, 20,831,876.58 and 3,513,274.64

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Solution

The fourth proportional to 13,887,957.39, 20,831,876.58 and 3,513,274.64 is: 5,269,896.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,887,957.39 : 20,831,876.58 = 3,513,274.64 : x
  2. Step 2: Convert to fraction form
    13,887,957.39/20,831,876.58 = 3,513,274.64/x
  3. Step 3: Cross multiply
    13,887,957.39x = 20,831,876.58 × 3,513,274.64
  4. Step 4: Simplify right side
    13,887,957.39x = 73,188,103,674,557.56
  5. Step 5: Solve for x
    x = 73,188,103,674,557.56/13,887,957.39
  6. Step 6: Final answer
    x = 5,269,896.91

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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.