Home / 8,871,881.12-13,313,766.12-3,114,631.86

Finding the Fourth Proportional to 8,871,881.12, 13,313,766.12 and 3,114,631.86

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Solution

The fourth proportional to 8,871,881.12, 13,313,766.12 and 3,114,631.86 is: 4,674,034.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,871,881.12 : 13,313,766.12 = 3,114,631.86 : x
  2. Step 2: Convert to fraction form
    8,871,881.12/13,313,766.12 = 3,114,631.86/x
  3. Step 3: Cross multiply
    8,871,881.12x = 13,313,766.12 × 3,114,631.86
  4. Step 4: Simplify right side
    8,871,881.12x = 41,467,480,133,940.58
  5. Step 5: Solve for x
    x = 41,467,480,133,940.58/8,871,881.12
  6. Step 6: Final answer
    x = 4,674,034.69

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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.