Home / 8,691,349.21-11,995,546.28-5,019,605.84

Finding the Fourth Proportional to 8,691,349.21, 11,995,546.28 and 5,019,605.84

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Solution

The fourth proportional to 8,691,349.21, 11,995,546.28 and 5,019,605.84 is: 6,927,913.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,691,349.21 : 11,995,546.28 = 5,019,605.84 : x
  2. Step 2: Convert to fraction form
    8,691,349.21/11,995,546.28 = 5,019,605.84/x
  3. Step 3: Cross multiply
    8,691,349.21x = 11,995,546.28 × 5,019,605.84
  4. Step 4: Simplify right side
    8,691,349.21x = 60,212,914,165,969.12
  5. Step 5: Solve for x
    x = 60,212,914,165,969.12/8,691,349.21
  6. Step 6: Final answer
    x = 6,927,913.35

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1.5x scale

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.