Home / 6,385,809.20-9,585,712.20-3,992,356.40

Finding the Fourth Proportional to 6,385,809.20, 9,585,712.20 and 3,992,356.40

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Solution

The fourth proportional to 6,385,809.20, 9,585,712.20 and 3,992,356.40 is: 5,992,909.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,385,809.20 : 9,585,712.20 = 3,992,356.40 : x
  2. Step 2: Convert to fraction form
    6,385,809.20/9,585,712.20 = 3,992,356.40/x
  3. Step 3: Cross multiply
    6,385,809.20x = 9,585,712.20 × 3,992,356.40
  4. Step 4: Simplify right side
    6,385,809.20x = 38,269,579,450,228.08
  5. Step 5: Solve for x
    x = 38,269,579,450,228.08/6,385,809.20
  6. Step 6: Final answer
    x = 5,992,909.94

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1.5x scale

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.