Home / 9,242,881.20-13,838,077.80-8,740,162.80

Finding the Fourth Proportional to 9,242,881.20, 13,838,077.80 and 8,740,162.80

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Solution

The fourth proportional to 9,242,881.20, 13,838,077.80 and 8,740,162.80 is: 13,085,427.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,242,881.20 : 13,838,077.80 = 8,740,162.80 : x
  2. Step 2: Convert to fraction form
    9,242,881.20/13,838,077.80 = 8,740,162.80/x
  3. Step 3: Cross multiply
    9,242,881.20x = 13,838,077.80 × 8,740,162.80
  4. Step 4: Simplify right side
    9,242,881.20x = 120,947,052,811,065.86
  5. Step 5: Solve for x
    x = 120,947,052,811,065.86/9,242,881.20
  6. Step 6: Final answer
    x = 13,085,427.61

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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.