Home / 7,258,245.30-10,016,299.62-3,994,990.20

Finding the Fourth Proportional to 7,258,245.30, 10,016,299.62 and 3,994,990.20

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Solution

The fourth proportional to 7,258,245.30, 10,016,299.62 and 3,994,990.20 is: 5,513,043.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,258,245.30 : 10,016,299.62 = 3,994,990.20 : x
  2. Step 2: Convert to fraction form
    7,258,245.30/10,016,299.62 = 3,994,990.20/x
  3. Step 3: Cross multiply
    7,258,245.30x = 10,016,299.62 × 3,994,990.20
  4. Step 4: Simplify right side
    7,258,245.30x = 40,015,018,822,163.72
  5. Step 5: Solve for x
    x = 40,015,018,822,163.72/7,258,245.30
  6. Step 6: Final answer
    x = 5,513,043.05

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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.