Home / 13,740,087.40-20,610,131.10-8,066,717.80

Finding the Fourth Proportional to 13,740,087.40, 20,610,131.10 and 8,066,717.80

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Solution

The fourth proportional to 13,740,087.40, 20,610,131.10 and 8,066,717.80 is: 12,100,076.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,740,087.40 : 20,610,131.10 = 8,066,717.80 : x
  2. Step 2: Convert to fraction form
    13,740,087.40/20,610,131.10 = 8,066,717.80/x
  3. Step 3: Cross multiply
    13,740,087.40x = 20,610,131.10 × 8,066,717.80
  4. Step 4: Simplify right side
    13,740,087.40x = 166,256,111,404,703.59
  5. Step 5: Solve for x
    x = 166,256,111,404,703.59/13,740,087.40
  6. Step 6: Final answer
    x = 12,100,076.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.