Home / 12,235,311.71-16,884,343.67-6,728,669.57

Finding the Fourth Proportional to 12,235,311.71, 16,884,343.67 and 6,728,669.57

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Solution

The fourth proportional to 12,235,311.71, 16,884,343.67 and 6,728,669.57 is: 9,285,351.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,235,311.71 : 16,884,343.67 = 6,728,669.57 : x
  2. Step 2: Convert to fraction form
    12,235,311.71/16,884,343.67 = 6,728,669.57/x
  3. Step 3: Cross multiply
    12,235,311.71x = 16,884,343.67 × 6,728,669.57
  4. Step 4: Simplify right side
    12,235,311.71x = 113,609,169,428,107.77
  5. Step 5: Solve for x
    x = 113,609,169,428,107.77/12,235,311.71
  6. Step 6: Final answer
    x = 9,285,351.46

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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.