Home / 6,419,309.04-8,853,481.10-5,643,280.62

Finding the Fourth Proportional to 6,419,309.04, 8,853,481.10 and 5,643,280.62

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Solution

The fourth proportional to 6,419,309.04, 8,853,481.10 and 5,643,280.62 is: 7,783,186.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,419,309.04 : 8,853,481.10 = 5,643,280.62 : x
  2. Step 2: Convert to fraction form
    6,419,309.04/8,853,481.10 = 5,643,280.62/x
  3. Step 3: Cross multiply
    6,419,309.04x = 8,853,481.10 × 5,643,280.62
  4. Step 4: Simplify right side
    6,419,309.04x = 49,962,678,311,166.28
  5. Step 5: Solve for x
    x = 49,962,678,311,166.28/6,419,309.04
  6. Step 6: Final answer
    x = 7,783,186.32

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1.5x scale

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.