Home / 9,212,383.97-12,713,018.88-5,082,589.18

Finding the Fourth Proportional to 9,212,383.97, 12,713,018.88 and 5,082,589.18

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Solution

The fourth proportional to 9,212,383.97, 12,713,018.88 and 5,082,589.18 is: 7,013,933.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,212,383.97 : 12,713,018.88 = 5,082,589.18 : x
  2. Step 2: Convert to fraction form
    9,212,383.97/12,713,018.88 = 5,082,589.18/x
  3. Step 3: Cross multiply
    9,212,383.97x = 12,713,018.88 × 5,082,589.18
  4. Step 4: Simplify right side
    9,212,383.97x = 64,615,052,141,058.62
  5. Step 5: Solve for x
    x = 64,615,052,141,058.62/9,212,383.97
  6. Step 6: Final answer
    x = 7,013,933.89

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1.5x scale

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.