Home / 20,038,647.86-27,653,343.81-10,871,288.18

Finding the Fourth Proportional to 20,038,647.86, 27,653,343.81 and 10,871,288.18

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Solution

The fourth proportional to 20,038,647.86, 27,653,343.81 and 10,871,288.18 is: 15,002,382.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,038,647.86 : 27,653,343.81 = 10,871,288.18 : x
  2. Step 2: Convert to fraction form
    20,038,647.86/27,653,343.81 = 10,871,288.18/x
  3. Step 3: Cross multiply
    20,038,647.86x = 27,653,343.81 × 10,871,288.18
  4. Step 4: Simplify right side
    20,038,647.86x = 300,627,469,699,129.12
  5. Step 5: Solve for x
    x = 300,627,469,699,129.12/20,038,647.86
  6. Step 6: Final answer
    x = 15,002,382.99

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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.