Home / 8,183,057.40-12,282,021.90-4,142,356.20

Finding the Fourth Proportional to 8,183,057.40, 12,282,021.90 and 4,142,356.20

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Solution

The fourth proportional to 8,183,057.40, 12,282,021.90 and 4,142,356.20 is: 6,217,298.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,183,057.40 : 12,282,021.90 = 4,142,356.20 : x
  2. Step 2: Convert to fraction form
    8,183,057.40/12,282,021.90 = 4,142,356.20/x
  3. Step 3: Cross multiply
    8,183,057.40x = 12,282,021.90 × 4,142,356.20
  4. Step 4: Simplify right side
    8,183,057.40x = 50,876,509,566,000.78
  5. Step 5: Solve for x
    x = 50,876,509,566,000.78/8,183,057.40
  6. Step 6: Final answer
    x = 6,217,298.39

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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.