Home / 5,284,979.11-7,293,147.12-3,109,663.16

Finding the Fourth Proportional to 5,284,979.11, 7,293,147.12 and 3,109,663.16

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Solution

The fourth proportional to 5,284,979.11, 7,293,147.12 and 3,109,663.16 is: 4,291,262.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,284,979.11 : 7,293,147.12 = 3,109,663.16 : x
  2. Step 2: Convert to fraction form
    5,284,979.11/7,293,147.12 = 3,109,663.16/x
  3. Step 3: Cross multiply
    5,284,979.11x = 7,293,147.12 × 3,109,663.16
  4. Step 4: Simplify right side
    5,284,979.11x = 22,679,230,919,524.10
  5. Step 5: Solve for x
    x = 22,679,230,919,524.10/5,284,979.11
  6. Step 6: Final answer
    x = 4,291,262.17

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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.