Home / 7,294,909.21-10,942,349.13-6,850,989.92

Finding the Fourth Proportional to 7,294,909.21, 10,942,349.13 and 6,850,989.92

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Solution

The fourth proportional to 7,294,909.21, 10,942,349.13 and 6,850,989.92 is: 10,276,471.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,294,909.21 : 10,942,349.13 = 6,850,989.92 : x
  2. Step 2: Convert to fraction form
    7,294,909.21/10,942,349.13 = 6,850,989.92/x
  3. Step 3: Cross multiply
    7,294,909.21x = 10,942,349.13 × 6,850,989.92
  4. Step 4: Simplify right side
    7,294,909.21x = 74,965,923,618,106.66
  5. Step 5: Solve for x
    x = 74,965,923,618,106.66/7,294,909.21
  6. Step 6: Final answer
    x = 10,276,471.10

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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.