Home / 9,422,021.92-13,002,392.48-5,129,669.92

Finding the Fourth Proportional to 9,422,021.92, 13,002,392.48 and 5,129,669.92

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Solution

The fourth proportional to 9,422,021.92, 13,002,392.48 and 5,129,669.92 is: 7,078,945.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,422,021.92 : 13,002,392.48 = 5,129,669.92 : x
  2. Step 2: Convert to fraction form
    9,422,021.92/13,002,392.48 = 5,129,669.92/x
  3. Step 3: Cross multiply
    9,422,021.92x = 13,002,392.48 × 5,129,669.92
  4. Step 4: Simplify right side
    9,422,021.92x = 66,697,981,592,690.20
  5. Step 5: Solve for x
    x = 66,697,981,592,690.20/9,422,021.92
  6. Step 6: Final answer
    x = 7,078,945.70

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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.