Home / 27,247,389.21-40,871,083.83-18,701,817.93

Finding the Fourth Proportional to 27,247,389.21, 40,871,083.83 and 18,701,817.93

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Solution

The fourth proportional to 27,247,389.21, 40,871,083.83 and 18,701,817.93 is: 28,052,726.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,247,389.21 : 40,871,083.83 = 18,701,817.93 : x
  2. Step 2: Convert to fraction form
    27,247,389.21/40,871,083.83 = 18,701,817.93/x
  3. Step 3: Cross multiply
    27,247,389.21x = 40,871,083.83 × 18,701,817.93
  4. Step 4: Simplify right side
    27,247,389.21x = 764,363,568,390,427
  5. Step 5: Solve for x
    x = 764,363,568,390,427/27,247,389.21
  6. Step 6: Final answer
    x = 28,052,726.91

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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.