Home / 6,385,816.20-9,585,722.70-3,992,363.40

Finding the Fourth Proportional to 6,385,816.20, 9,585,722.70 and 3,992,363.40

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Solution

The fourth proportional to 6,385,816.20, 9,585,722.70 and 3,992,363.40 is: 5,992,920.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,385,816.20 : 9,585,722.70 = 3,992,363.40 : x
  2. Step 2: Convert to fraction form
    6,385,816.20/9,585,722.70 = 3,992,363.40/x
  3. Step 3: Cross multiply
    6,385,816.20x = 9,585,722.70 × 3,992,363.40
  4. Step 4: Simplify right side
    6,385,816.20x = 38,269,688,470,029.18
  5. Step 5: Solve for x
    x = 38,269,688,470,029.18/6,385,816.20
  6. Step 6: Final answer
    x = 5,992,920.45

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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.