Home / 7,728,002.10-11,592,003.15-4,891,317.30

Finding the Fourth Proportional to 7,728,002.10, 11,592,003.15 and 4,891,317.30

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Solution

The fourth proportional to 7,728,002.10, 11,592,003.15 and 4,891,317.30 is: 7,336,975.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,728,002.10 : 11,592,003.15 = 4,891,317.30 : x
  2. Step 2: Convert to fraction form
    7,728,002.10/11,592,003.15 = 4,891,317.30/x
  3. Step 3: Cross multiply
    7,728,002.10x = 11,592,003.15 × 4,891,317.30
  4. Step 4: Simplify right side
    7,728,002.10x = 56,700,165,549,249.49
  5. Step 5: Solve for x
    x = 56,700,165,549,249.49/7,728,002.10
  6. Step 6: Final answer
    x = 7,336,975.95

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Double scale
Find fourth proportional to 7,728,003.10, 11,592,004.65 and 4,891,318.30
Similar ratio
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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.