Home / 6,387,415.20-9,588,121.20-3,993,962.40

Finding the Fourth Proportional to 6,387,415.20, 9,588,121.20 and 3,993,962.40

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Solution

The fourth proportional to 6,387,415.20, 9,588,121.20 and 3,993,962.40 is: 5,995,319.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,387,415.20 : 9,588,121.20 = 3,993,962.40 : x
  2. Step 2: Convert to fraction form
    6,387,415.20/9,588,121.20 = 3,993,962.40/x
  3. Step 3: Cross multiply
    6,387,415.20x = 9,588,121.20 × 3,993,962.40
  4. Step 4: Simplify right side
    6,387,415.20x = 38,294,595,559,442.88
  5. Step 5: Solve for x
    x = 38,294,595,559,442.88/6,387,415.20
  6. Step 6: Final answer
    x = 5,995,319.60

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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.