Home / 13,111,088.53-18,086,871.21-8,761,242.73

Finding the Fourth Proportional to 13,111,088.53, 18,086,871.21 and 8,761,242.73

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Solution

The fourth proportional to 13,111,088.53, 18,086,871.21 and 8,761,242.73 is: 12,086,217.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,111,088.53 : 18,086,871.21 = 8,761,242.73 : x
  2. Step 2: Convert to fraction form
    13,111,088.53/18,086,871.21 = 8,761,242.73/x
  3. Step 3: Cross multiply
    13,111,088.53x = 18,086,871.21 × 8,761,242.73
  4. Step 4: Simplify right side
    13,111,088.53x = 158,463,468,897,058.81
  5. Step 5: Solve for x
    x = 158,463,468,897,058.81/13,111,088.53
  6. Step 6: Final answer
    x = 12,086,217.60

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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.