Home / 12,526,573.20-18,776,426.16-8,206,991.28

Finding the Fourth Proportional to 12,526,573.20, 18,776,426.16 and 8,206,991.28

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Solution

The fourth proportional to 12,526,573.20, 18,776,426.16 and 8,206,991.28 is: 12,301,685.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,526,573.20 : 18,776,426.16 = 8,206,991.28 : x
  2. Step 2: Convert to fraction form
    12,526,573.20/18,776,426.16 = 8,206,991.28/x
  3. Step 3: Cross multiply
    12,526,573.20x = 18,776,426.16 × 8,206,991.28
  4. Step 4: Simplify right side
    12,526,573.20x = 154,097,965,764,683.91
  5. Step 5: Solve for x
    x = 154,097,965,764,683.91/12,526,573.20
  6. Step 6: Final answer
    x = 12,301,685.65

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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.