Home / 22,478,016.54-31,019,662.44-12,164,739.69

Finding the Fourth Proportional to 22,478,016.54, 31,019,662.44 and 12,164,739.69

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Solution

The fourth proportional to 22,478,016.54, 31,019,662.44 and 12,164,739.69 is: 16,787,340.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,478,016.54 : 31,019,662.44 = 12,164,739.69 : x
  2. Step 2: Convert to fraction form
    22,478,016.54/31,019,662.44 = 12,164,739.69/x
  3. Step 3: Cross multiply
    22,478,016.54x = 31,019,662.44 × 12,164,739.69
  4. Step 4: Simplify right side
    22,478,016.54x = 377,346,118,854,270.25
  5. Step 5: Solve for x
    x = 377,346,118,854,270.25/22,478,016.54
  6. Step 6: Final answer
    x = 16,787,340.56

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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.