Home / 20,236,199.13-27,927,563.52-12,897,326.97

Finding the Fourth Proportional to 20,236,199.13, 27,927,563.52 and 12,897,326.97

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Solution

The fourth proportional to 20,236,199.13, 27,927,563.52 and 12,897,326.97 is: 17,799,336.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,236,199.13 : 27,927,563.52 = 12,897,326.97 : x
  2. Step 2: Convert to fraction form
    20,236,199.13/27,927,563.52 = 12,897,326.97/x
  3. Step 3: Cross multiply
    20,236,199.13x = 27,927,563.52 × 12,897,326.97
  4. Step 4: Simplify right side
    20,236,199.13x = 360,190,918,192,884.12
  5. Step 5: Solve for x
    x = 360,190,918,192,884.12/20,236,199.13
  6. Step 6: Final answer
    x = 17,799,336.52

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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.