Home / 13,261,889.37-18,303,914.48-8,302,637.64

Finding the Fourth Proportional to 13,261,889.37, 18,303,914.48 and 8,302,637.64

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Solution

The fourth proportional to 13,261,889.37, 18,303,914.48 and 8,302,637.64 is: 11,459,209.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,261,889.37 : 18,303,914.48 = 8,302,637.64 : x
  2. Step 2: Convert to fraction form
    13,261,889.37/18,303,914.48 = 8,302,637.64/x
  3. Step 3: Cross multiply
    13,261,889.37x = 18,303,914.48 × 8,302,637.64
  4. Step 4: Simplify right side
    13,261,889.37x = 151,970,769,279,475.84
  5. Step 5: Solve for x
    x = 151,970,769,279,475.84/13,261,889.37
  6. Step 6: Final answer
    x = 11,459,209.55

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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.