Home / 7,271,982.72-10,035,403.85-4,008,914.21

Finding the Fourth Proportional to 7,271,982.72, 10,035,403.85 and 4,008,914.21

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Solution

The fourth proportional to 7,271,982.72, 10,035,403.85 and 4,008,914.21 is: 5,532,338.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,271,982.72 : 10,035,403.85 = 4,008,914.21 : x
  2. Step 2: Convert to fraction form
    7,271,982.72/10,035,403.85 = 4,008,914.21/x
  3. Step 3: Cross multiply
    7,271,982.72x = 10,035,403.85 × 4,008,914.21
  4. Step 4: Simplify right side
    7,271,982.72x = 40,231,073,097,353.70
  5. Step 5: Solve for x
    x = 40,231,073,097,353.70/7,271,982.72
  6. Step 6: Final answer
    x = 5,532,338.93

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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.