Home / 9,871,353-13,623,161.33-5,520,844.11

Finding the Fourth Proportional to 9,871,353, 13,623,161.33 and 5,520,844.11

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Solution

The fourth proportional to 9,871,353, 13,623,161.33 and 5,520,844.11 is: 7,619,153.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,871,353 : 13,623,161.33 = 5,520,844.11 : x
  2. Step 2: Convert to fraction form
    9,871,353/13,623,161.33 = 5,520,844.11/x
  3. Step 3: Cross multiply
    9,871,353x = 13,623,161.33 × 5,520,844.11
  4. Step 4: Simplify right side
    9,871,353x = 75,211,349,988,310.27
  5. Step 5: Solve for x
    x = 75,211,349,988,310.27/9,871,353
  6. Step 6: Final answer
    x = 7,619,153.12

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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.