Home / 12,235,156.46-16,884,179.23-6,728,531.26

Finding the Fourth Proportional to 12,235,156.46, 16,884,179.23 and 6,728,531.26

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Solution

The fourth proportional to 12,235,156.46, 16,884,179.23 and 6,728,531.26 is: 9,285,187.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,235,156.46 : 16,884,179.23 = 6,728,531.26 : x
  2. Step 2: Convert to fraction form
    12,235,156.46/16,884,179.23 = 6,728,531.26/x
  3. Step 3: Cross multiply
    12,235,156.46x = 16,884,179.23 × 6,728,531.26
  4. Step 4: Simplify right side
    12,235,156.46x = 113,605,727,800,153.91
  5. Step 5: Solve for x
    x = 113,605,727,800,153.91/12,235,156.46
  6. Step 6: Final answer
    x = 9,285,187.99

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1.5x scale

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.