Home / 8,831,144.88-12,187,088.28-5,346,436.32

Finding the Fourth Proportional to 8,831,144.88, 12,187,088.28 and 5,346,436.32

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Solution

The fourth proportional to 8,831,144.88, 12,187,088.28 and 5,346,436.32 is: 7,378,147.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,831,144.88 : 12,187,088.28 = 5,346,436.32 : x
  2. Step 2: Convert to fraction form
    8,831,144.88/12,187,088.28 = 5,346,436.32/x
  3. Step 3: Cross multiply
    8,831,144.88x = 12,187,088.28 × 5,346,436.32
  4. Step 4: Simplify right side
    8,831,144.88x = 65,157,491,415,238.33
  5. Step 5: Solve for x
    x = 65,157,491,415,238.33/8,831,144.88
  6. Step 6: Final answer
    x = 7,378,147.71

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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.