Home / 6,387,338.20-9,588,005.70-3,993,885.40

Finding the Fourth Proportional to 6,387,338.20, 9,588,005.70 and 3,993,885.40

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Solution

The fourth proportional to 6,387,338.20, 9,588,005.70 and 3,993,885.40 is: 5,995,204.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,387,338.20 : 9,588,005.70 = 3,993,885.40 : x
  2. Step 2: Convert to fraction form
    6,387,338.20/9,588,005.70 = 3,993,885.40/x
  3. Step 3: Cross multiply
    6,387,338.20x = 9,588,005.70 × 3,993,885.40
  4. Step 4: Simplify right side
    6,387,338.20x = 38,293,395,980,346.77
  5. Step 5: Solve for x
    x = 38,293,395,980,346.77/6,387,338.20
  6. Step 6: Final answer
    x = 5,995,204.07

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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.