Home / 7,345,431.40-11,018,147.10-4,471,421.80

Finding the Fourth Proportional to 7,345,431.40, 11,018,147.10 and 4,471,421.80

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Solution

The fourth proportional to 7,345,431.40, 11,018,147.10 and 4,471,421.80 is: 6,707,132.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,345,431.40 : 11,018,147.10 = 4,471,421.80 : x
  2. Step 2: Convert to fraction form
    7,345,431.40/11,018,147.10 = 4,471,421.80/x
  3. Step 3: Cross multiply
    7,345,431.40x = 11,018,147.10 × 4,471,421.80
  4. Step 4: Simplify right side
    7,345,431.40x = 49,266,783,138,546.77
  5. Step 5: Solve for x
    x = 49,266,783,138,546.77/7,345,431.40
  6. Step 6: Final answer
    x = 6,707,132.70

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Double scale
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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.