Home / 13,590,724.26-18,755,202.19-7,479,152.76

Finding the Fourth Proportional to 13,590,724.26, 18,755,202.19 and 7,479,152.76

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Solution

The fourth proportional to 13,590,724.26, 18,755,202.19 and 7,479,152.76 is: 10,321,232.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,590,724.26 : 18,755,202.19 = 7,479,152.76 : x
  2. Step 2: Convert to fraction form
    13,590,724.26/18,755,202.19 = 7,479,152.76/x
  3. Step 3: Cross multiply
    13,590,724.26x = 18,755,202.19 × 7,479,152.76
  4. Step 4: Simplify right side
    13,590,724.26x = 140,273,022,268,159.62
  5. Step 5: Solve for x
    x = 140,273,022,268,159.62/13,590,724.26
  6. Step 6: Final answer
    x = 10,321,232.30

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Half scale
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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.