Home / 12,299,747.10-18,449,620.65-12,110,790.30

Finding the Fourth Proportional to 12,299,747.10, 18,449,620.65 and 12,110,790.30

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Solution

The fourth proportional to 12,299,747.10, 18,449,620.65 and 12,110,790.30 is: 18,166,185.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,299,747.10 : 18,449,620.65 = 12,110,790.30 : x
  2. Step 2: Convert to fraction form
    12,299,747.10/18,449,620.65 = 12,110,790.30/x
  3. Step 3: Cross multiply
    12,299,747.10x = 18,449,620.65 × 12,110,790.30
  4. Step 4: Simplify right side
    12,299,747.10x = 223,439,486,806,699.69
  5. Step 5: Solve for x
    x = 223,439,486,806,699.69/12,299,747.10
  6. Step 6: Final answer
    x = 18,166,185.45

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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.