Home / 15,043,964.85-20,760,089.25-8,168,289.57

Finding the Fourth Proportional to 15,043,964.85, 20,760,089.25 and 8,168,289.57

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Solution

The fourth proportional to 15,043,964.85, 20,760,089.25 and 8,168,289.57 is: 11,271,923.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,043,964.85 : 20,760,089.25 = 8,168,289.57 : x
  2. Step 2: Convert to fraction form
    15,043,964.85/20,760,089.25 = 8,168,289.57/x
  3. Step 3: Cross multiply
    15,043,964.85x = 20,760,089.25 × 8,168,289.57
  4. Step 4: Simplify right side
    15,043,964.85x = 169,574,420,493,044.12
  5. Step 5: Solve for x
    x = 169,574,420,493,044.12/15,043,964.85
  6. Step 6: Final answer
    x = 11,271,923.47

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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.