Home / 8,319,022.80-12,478,534.20-5,579,149.20

Finding the Fourth Proportional to 8,319,022.80, 12,478,534.20 and 5,579,149.20

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Solution

The fourth proportional to 8,319,022.80, 12,478,534.20 and 5,579,149.20 is: 8,368,723.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,319,022.80 : 12,478,534.20 = 5,579,149.20 : x
  2. Step 2: Convert to fraction form
    8,319,022.80/12,478,534.20 = 5,579,149.20/x
  3. Step 3: Cross multiply
    8,319,022.80x = 12,478,534.20 × 5,579,149.20
  4. Step 4: Simplify right side
    8,319,022.80x = 69,619,604,099,102.64
  5. Step 5: Solve for x
    x = 69,619,604,099,102.64/8,319,022.80
  6. Step 6: Final answer
    x = 8,368,723.80

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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.