Home / 13,942,410.30-19,240,142.40-7,747,296.84

Finding the Fourth Proportional to 13,942,410.30, 19,240,142.40 and 7,747,296.84

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Solution

The fourth proportional to 13,942,410.30, 19,240,142.40 and 7,747,296.84 is: 10,691,056.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,942,410.30 : 19,240,142.40 = 7,747,296.84 : x
  2. Step 2: Convert to fraction form
    13,942,410.30/19,240,142.40 = 7,747,296.84/x
  3. Step 3: Cross multiply
    13,942,410.30x = 19,240,142.40 × 7,747,296.84
  4. Step 4: Simplify right side
    13,942,410.30x = 149,059,094,416,670
  5. Step 5: Solve for x
    x = 149,059,094,416,670/13,942,410.30
  6. Step 6: Final answer
    x = 10,691,056.37

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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.