Home / 12,331,086.60-18,496,629.90-11,827,201.80

Finding the Fourth Proportional to 12,331,086.60, 18,496,629.90 and 11,827,201.80

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Solution

The fourth proportional to 12,331,086.60, 18,496,629.90 and 11,827,201.80 is: 17,740,802.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,331,086.60 : 18,496,629.90 = 11,827,201.80 : x
  2. Step 2: Convert to fraction form
    12,331,086.60/18,496,629.90 = 11,827,201.80/x
  3. Step 3: Cross multiply
    12,331,086.60x = 18,496,629.90 × 11,827,201.80
  4. Step 4: Simplify right side
    12,331,086.60x = 218,763,374,447,213.81
  5. Step 5: Solve for x
    x = 218,763,374,447,213.81/12,331,086.60
  6. Step 6: Final answer
    x = 17,740,802.70

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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.