Home / 6,990,408.18-9,646,148.70-3,892,697.64

Finding the Fourth Proportional to 6,990,408.18, 9,646,148.70 and 3,892,697.64

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Solution

The fourth proportional to 6,990,408.18, 9,646,148.70 and 3,892,697.64 is: 5,371,580.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,990,408.18 : 9,646,148.70 = 3,892,697.64 : x
  2. Step 2: Convert to fraction form
    6,990,408.18/9,646,148.70 = 3,892,697.64/x
  3. Step 3: Cross multiply
    6,990,408.18x = 9,646,148.70 × 3,892,697.64
  4. Step 4: Simplify right side
    6,990,408.18x = 37,549,540,279,579.06
  5. Step 5: Solve for x
    x = 37,549,540,279,579.06/6,990,408.18
  6. Step 6: Final answer
    x = 5,371,580.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.