Home / 12,299,967.45-18,439,453.58-8,694,391.77

Finding the Fourth Proportional to 12,299,967.45, 18,439,453.58 and 8,694,391.77

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Solution

The fourth proportional to 12,299,967.45, 18,439,453.58 and 8,694,391.77 is: 13,034,167.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,299,967.45 : 18,439,453.58 = 8,694,391.77 : x
  2. Step 2: Convert to fraction form
    12,299,967.45/18,439,453.58 = 8,694,391.77/x
  3. Step 3: Cross multiply
    12,299,967.45x = 18,439,453.58 × 8,694,391.77
  4. Step 4: Simplify right side
    12,299,967.45x = 160,319,833,405,777.06
  5. Step 5: Solve for x
    x = 160,319,833,405,777.06/12,299,967.45
  6. Step 6: Final answer
    x = 13,034,167.29

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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.