Home / 7,728,241.60-11,592,362.40-3,949,105.60

Finding the Fourth Proportional to 7,728,241.60, 11,592,362.40 and 3,949,105.60

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Solution

The fourth proportional to 7,728,241.60, 11,592,362.40 and 3,949,105.60 is: 5,923,658.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,728,241.60 : 11,592,362.40 = 3,949,105.60 : x
  2. Step 2: Convert to fraction form
    7,728,241.60/11,592,362.40 = 3,949,105.60/x
  3. Step 3: Cross multiply
    7,728,241.60x = 11,592,362.40 × 3,949,105.60
  4. Step 4: Simplify right side
    7,728,241.60x = 45,779,463,271,069.45
  5. Step 5: Solve for x
    x = 45,779,463,271,069.45/7,728,241.60
  6. Step 6: Final answer
    x = 5,923,658.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.