Home / 15,233,359.42-21,022,035.06-8,707,129.48

Finding the Fourth Proportional to 15,233,359.42, 21,022,035.06 and 8,707,129.48

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Solution

The fourth proportional to 15,233,359.42, 21,022,035.06 and 8,707,129.48 is: 12,015,838.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,233,359.42 : 21,022,035.06 = 8,707,129.48 : x
  2. Step 2: Convert to fraction form
    15,233,359.42/21,022,035.06 = 8,707,129.48/x
  3. Step 3: Cross multiply
    15,233,359.42x = 21,022,035.06 × 8,707,129.48
  4. Step 4: Simplify right side
    15,233,359.42x = 183,041,581,200,519.56
  5. Step 5: Solve for x
    x = 183,041,581,200,519.56/15,233,359.42
  6. Step 6: Final answer
    x = 12,015,838.15

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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.