Home / 31,638,711.36-43,661,028.44-18,587,160

Finding the Fourth Proportional to 31,638,711.36, 43,661,028.44 and 18,587,160

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Solution

The fourth proportional to 31,638,711.36, 43,661,028.44 and 18,587,160 is: 25,650,049.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,638,711.36 : 43,661,028.44 = 18,587,160 : x
  2. Step 2: Convert to fraction form
    31,638,711.36/43,661,028.44 = 18,587,160/x
  3. Step 3: Cross multiply
    31,638,711.36x = 43,661,028.44 × 18,587,160
  4. Step 4: Simplify right side
    31,638,711.36x = 811,534,521,378,830.38
  5. Step 5: Solve for x
    x = 811,534,521,378,830.38/31,638,711.36
  6. Step 6: Final answer
    x = 25,650,049.78

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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.