Home / 10,022,709.92-13,831,348.68-5,439,031.28

Finding the Fourth Proportional to 10,022,709.92, 13,831,348.68 and 5,439,031.28

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Solution

The fourth proportional to 10,022,709.92, 13,831,348.68 and 5,439,031.28 is: 7,505,868.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,022,709.92 : 13,831,348.68 = 5,439,031.28 : x
  2. Step 2: Convert to fraction form
    10,022,709.92/13,831,348.68 = 5,439,031.28/x
  3. Step 3: Cross multiply
    10,022,709.92x = 13,831,348.68 × 5,439,031.28
  4. Step 4: Simplify right side
    10,022,709.92x = 75,229,138,115,106.72
  5. Step 5: Solve for x
    x = 75,229,138,115,106.72/10,022,709.92
  6. Step 6: Final answer
    x = 7,505,868.05

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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.