Home / 9,871,354-13,623,162.71-5,520,845.11

Finding the Fourth Proportional to 9,871,354, 13,623,162.71 and 5,520,845.11

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Solution

The fourth proportional to 9,871,354, 13,623,162.71 and 5,520,845.11 is: 7,619,154.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,871,354 : 13,623,162.71 = 5,520,845.11 : x
  2. Step 2: Convert to fraction form
    9,871,354/13,623,162.71 = 5,520,845.11/x
  3. Step 3: Cross multiply
    9,871,354x = 13,623,162.71 × 5,520,845.11
  4. Step 4: Simplify right side
    9,871,354x = 75,211,371,230,237.86
  5. Step 5: Solve for x
    x = 75,211,371,230,237.86/9,871,354
  6. Step 6: Final answer
    x = 7,619,154.50

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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.