Home / 8,817,190.80-13,230,831.96-3,425,142.48

Finding the Fourth Proportional to 8,817,190.80, 13,230,831.96 and 3,425,142.48

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Solution

The fourth proportional to 8,817,190.80, 13,230,831.96 and 3,425,142.48 is: 5,139,673.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,817,190.80 : 13,230,831.96 = 3,425,142.48 : x
  2. Step 2: Convert to fraction form
    8,817,190.80/13,230,831.96 = 3,425,142.48/x
  3. Step 3: Cross multiply
    8,817,190.80x = 13,230,831.96 × 3,425,142.48
  4. Step 4: Simplify right side
    8,817,190.80x = 45,317,484,591,937.66
  5. Step 5: Solve for x
    x = 45,317,484,591,937.66/8,817,190.80
  6. Step 6: Final answer
    x = 5,139,673.81

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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.