Home / 15,476,872.80-23,215,309.20-7,824,122.40

Finding the Fourth Proportional to 15,476,872.80, 23,215,309.20 and 7,824,122.40

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Solution

The fourth proportional to 15,476,872.80, 23,215,309.20 and 7,824,122.40 is: 11,736,183.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,476,872.80 : 23,215,309.20 = 7,824,122.40 : x
  2. Step 2: Convert to fraction form
    15,476,872.80/23,215,309.20 = 7,824,122.40/x
  3. Step 3: Cross multiply
    15,476,872.80x = 23,215,309.20 × 7,824,122.40
  4. Step 4: Simplify right side
    15,476,872.80x = 181,639,420,734,646.09
  5. Step 5: Solve for x
    x = 181,639,420,734,646.09/15,476,872.80
  6. Step 6: Final answer
    x = 11,736,183.60

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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.