Home / 7,021,067.38-9,688,885.63-3,923,614.89

Finding the Fourth Proportional to 7,021,067.38, 9,688,885.63 and 3,923,614.89

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Solution

The fourth proportional to 7,021,067.38, 9,688,885.63 and 3,923,614.89 is: 5,414,483.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,021,067.38 : 9,688,885.63 = 3,923,614.89 : x
  2. Step 2: Convert to fraction form
    7,021,067.38/9,688,885.63 = 3,923,614.89/x
  3. Step 3: Cross multiply
    7,021,067.38x = 9,688,885.63 × 3,923,614.89
  4. Step 4: Simplify right side
    7,021,067.38x = 38,015,455,928,365.55
  5. Step 5: Solve for x
    x = 38,015,455,928,365.55/7,021,067.38
  6. Step 6: Final answer
    x = 5,414,483.85

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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.