Home / 13,321,637.17-18,384,305.07-8,164,002.67

Finding the Fourth Proportional to 13,321,637.17, 18,384,305.07 and 8,164,002.67

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Solution

The fourth proportional to 13,321,637.17, 18,384,305.07 and 8,164,002.67 is: 11,266,596.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,321,637.17 : 18,384,305.07 = 8,164,002.67 : x
  2. Step 2: Convert to fraction form
    13,321,637.17/18,384,305.07 = 8,164,002.67/x
  3. Step 3: Cross multiply
    13,321,637.17x = 18,384,305.07 × 8,164,002.67
  4. Step 4: Simplify right side
    13,321,637.17x = 150,089,515,677,574.53
  5. Step 5: Solve for x
    x = 150,089,515,677,574.53/13,321,637.17
  6. Step 6: Final answer
    x = 11,266,596.87

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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.