Home / 8,183,057.90-12,282,022.65-4,142,356.70

Finding the Fourth Proportional to 8,183,057.90, 12,282,022.65 and 4,142,356.70

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Solution

The fourth proportional to 8,183,057.90, 12,282,022.65 and 4,142,356.70 is: 6,217,299.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,183,057.90 : 12,282,022.65 = 4,142,356.70 : x
  2. Step 2: Convert to fraction form
    8,183,057.90/12,282,022.65 = 4,142,356.70/x
  3. Step 3: Cross multiply
    8,183,057.90x = 12,282,022.65 × 4,142,356.70
  4. Step 4: Simplify right side
    8,183,057.90x = 50,876,518,813,779.26
  5. Step 5: Solve for x
    x = 50,876,518,813,779.26/8,183,057.90
  6. Step 6: Final answer
    x = 6,217,299.14

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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.