Home / 21,785,910-30,063,365.04-11,994,494.76

Finding the Fourth Proportional to 21,785,910, 30,063,365.04 and 11,994,494.76

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Solution

The fourth proportional to 21,785,910, 30,063,365.04 and 11,994,494.76 is: 16,551,747.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,785,910 : 30,063,365.04 = 11,994,494.76 : x
  2. Step 2: Convert to fraction form
    21,785,910/30,063,365.04 = 11,994,494.76/x
  3. Step 3: Cross multiply
    21,785,910x = 30,063,365.04 × 11,994,494.76
  4. Step 4: Simplify right side
    21,785,910x = 360,594,874,440,247.19
  5. Step 5: Solve for x
    x = 360,594,874,440,247.19/21,785,910
  6. Step 6: Final answer
    x = 16,551,747.18

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Double scale
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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.