Home / 6,419,311.04-8,853,483.86-5,643,282.62

Finding the Fourth Proportional to 6,419,311.04, 8,853,483.86 and 5,643,282.62

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Solution

The fourth proportional to 6,419,311.04, 8,853,483.86 and 5,643,282.62 is: 7,783,189.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,419,311.04 : 8,853,483.86 = 5,643,282.62 : x
  2. Step 2: Convert to fraction form
    6,419,311.04/8,853,483.86 = 5,643,282.62/x
  3. Step 3: Cross multiply
    6,419,311.04x = 8,853,483.86 × 5,643,282.62
  4. Step 4: Simplify right side
    6,419,311.04x = 49,962,711,593,588.51
  5. Step 5: Solve for x
    x = 49,962,711,593,588.51/6,419,311.04
  6. Step 6: Final answer
    x = 7,783,189.08

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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.