Home / 12,886,353.83-17,783,504.97-7,006,383.47

Finding the Fourth Proportional to 12,886,353.83, 17,783,504.97 and 7,006,383.47

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Solution

The fourth proportional to 12,886,353.83, 17,783,504.97 and 7,006,383.47 is: 9,668,992.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,886,353.83 : 17,783,504.97 = 7,006,383.47 : x
  2. Step 2: Convert to fraction form
    12,886,353.83/17,783,504.97 = 7,006,383.47/x
  3. Step 3: Cross multiply
    12,886,353.83x = 17,783,504.97 × 7,006,383.47
  4. Step 4: Simplify right side
    12,886,353.83x = 124,598,055,260,470.83
  5. Step 5: Solve for x
    x = 124,598,055,260,470.83/12,886,353.83
  6. Step 6: Final answer
    x = 9,668,992.25

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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.