Home / 6,784,363.20-10,176,544.80-3,947,678.40

Finding the Fourth Proportional to 6,784,363.20, 10,176,544.80 and 3,947,678.40

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Solution

The fourth proportional to 6,784,363.20, 10,176,544.80 and 3,947,678.40 is: 5,921,517.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,784,363.20 : 10,176,544.80 = 3,947,678.40 : x
  2. Step 2: Convert to fraction form
    6,784,363.20/10,176,544.80 = 3,947,678.40/x
  3. Step 3: Cross multiply
    6,784,363.20x = 10,176,544.80 × 3,947,678.40
  4. Step 4: Simplify right side
    6,784,363.20x = 40,173,726,093,592.32
  5. Step 5: Solve for x
    x = 40,173,726,093,592.32/6,784,363.20
  6. Step 6: Final answer
    x = 5,921,517.60

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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.