Home / 13,380,050.00-18,462,902.54-7,872,213.49

Finding the Fourth Proportional to 13,380,050.00, 18,462,902.54 and 7,872,213.49

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Solution

The fourth proportional to 13,380,050.00, 18,462,902.54 and 7,872,213.49 is: 10,862,732.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,380,050.00 : 18,462,902.54 = 7,872,213.49 : x
  2. Step 2: Convert to fraction form
    13,380,050.00/18,462,902.54 = 7,872,213.49/x
  3. Step 3: Cross multiply
    13,380,050.00x = 18,462,902.54 × 7,872,213.49
  4. Step 4: Simplify right side
    13,380,050.00x = 145,343,910,354,424.94
  5. Step 5: Solve for x
    x = 145,343,910,354,424.94/13,380,050.00
  6. Step 6: Final answer
    x = 10,862,732.97

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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.