Home / 8,158,393.49-11,258,588.79-4,487,589.34

Finding the Fourth Proportional to 8,158,393.49, 11,258,588.79 and 4,487,589.34

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Solution

The fourth proportional to 8,158,393.49, 11,258,588.79 and 4,487,589.34 is: 6,192,876.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,158,393.49 : 11,258,588.79 = 4,487,589.34 : x
  2. Step 2: Convert to fraction form
    8,158,393.49/11,258,588.79 = 4,487,589.34/x
  3. Step 3: Cross multiply
    8,158,393.49x = 11,258,588.79 × 4,487,589.34
  4. Step 4: Simplify right side
    8,158,393.49x = 50,523,923,037,447.49
  5. Step 5: Solve for x
    x = 50,523,923,037,447.49/8,158,393.49
  6. Step 6: Final answer
    x = 6,192,876.47

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Double scale
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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.