Home / 13,347,496.37-18,419,690.07-7,841,103.32

Finding the Fourth Proportional to 13,347,496.37, 18,419,690.07 and 7,841,103.32

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Solution

The fourth proportional to 13,347,496.37, 18,419,690.07 and 7,841,103.32 is: 10,820,807.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,347,496.37 : 18,419,690.07 = 7,841,103.32 : x
  2. Step 2: Convert to fraction form
    13,347,496.37/18,419,690.07 = 7,841,103.32/x
  3. Step 3: Cross multiply
    13,347,496.37x = 18,419,690.07 × 7,841,103.32
  4. Step 4: Simplify right side
    13,347,496.37x = 144,430,692,869,149.59
  5. Step 5: Solve for x
    x = 144,430,692,869,149.59/13,347,496.37
  6. Step 6: Final answer
    x = 10,820,807.81

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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.