Home / 13,698,586.76-18,904,188.66-8,265,029

Finding the Fourth Proportional to 13,698,586.76, 18,904,188.66 and 8,265,029

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Solution

The fourth proportional to 13,698,586.76, 18,904,188.66 and 8,265,029 is: 11,405,823.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,698,586.76 : 18,904,188.66 = 8,265,029 : x
  2. Step 2: Convert to fraction form
    13,698,586.76/18,904,188.66 = 8,265,029/x
  3. Step 3: Cross multiply
    13,698,586.76x = 18,904,188.66 × 8,265,029
  4. Step 4: Simplify right side
    13,698,586.76x = 156,243,667,496,371.16
  5. Step 5: Solve for x
    x = 156,243,667,496,371.16/13,698,586.76
  6. Step 6: Final answer
    x = 11,405,823.84

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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.