Home / 6,656,913.12-9,992,261.52-4,099,969.92

Finding the Fourth Proportional to 6,656,913.12, 9,992,261.52 and 4,099,969.92

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Solution

The fourth proportional to 6,656,913.12, 9,992,261.52 and 4,099,969.92 is: 6,154,199.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,656,913.12 : 9,992,261.52 = 4,099,969.92 : x
  2. Step 2: Convert to fraction form
    6,656,913.12/9,992,261.52 = 4,099,969.92/x
  3. Step 3: Cross multiply
    6,656,913.12x = 9,992,261.52 × 4,099,969.92
  4. Step 4: Simplify right side
    6,656,913.12x = 40,967,971,664,773.48
  5. Step 5: Solve for x
    x = 40,967,971,664,773.48/6,656,913.12
  6. Step 6: Final answer
    x = 6,154,199.54

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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.