Home / 23,116,341.54-31,900,160.39-12,802,843.20

Finding the Fourth Proportional to 23,116,341.54, 31,900,160.39 and 12,802,843.20

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Solution

The fourth proportional to 23,116,341.54, 31,900,160.39 and 12,802,843.20 is: 17,667,707.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,116,341.54 : 31,900,160.39 = 12,802,843.20 : x
  2. Step 2: Convert to fraction form
    23,116,341.54/31,900,160.39 = 12,802,843.20/x
  3. Step 3: Cross multiply
    23,116,341.54x = 31,900,160.39 × 12,802,843.20
  4. Step 4: Simplify right side
    23,116,341.54x = 408,412,751,583,632.25
  5. Step 5: Solve for x
    x = 408,412,751,583,632.25/23,116,341.54
  6. Step 6: Final answer
    x = 17,667,707.10

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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.