Home / 6,385,808.20-9,585,710.70-3,992,355.40

Finding the Fourth Proportional to 6,385,808.20, 9,585,710.70 and 3,992,355.40

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Solution

The fourth proportional to 6,385,808.20, 9,585,710.70 and 3,992,355.40 is: 5,992,908.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,385,808.20 : 9,585,710.70 = 3,992,355.40 : x
  2. Step 2: Convert to fraction form
    6,385,808.20/9,585,710.70 = 3,992,355.40/x
  3. Step 3: Cross multiply
    6,385,808.20x = 9,585,710.70 × 3,992,355.40
  4. Step 4: Simplify right side
    6,385,808.20x = 38,269,563,875,982.77
  5. Step 5: Solve for x
    x = 38,269,563,875,982.77/6,385,808.20
  6. Step 6: Final answer
    x = 5,992,908.44

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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.