Home / 20,101,144.28-27,744,506.16-11,404,407.56

Finding the Fourth Proportional to 20,101,144.28, 27,744,506.16 and 11,404,407.56

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Solution

The fourth proportional to 20,101,144.28, 27,744,506.16 and 11,404,407.56 is: 15,740,877.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,101,144.28 : 27,744,506.16 = 11,404,407.56 : x
  2. Step 2: Convert to fraction form
    20,101,144.28/27,744,506.16 = 11,404,407.56/x
  3. Step 3: Cross multiply
    20,101,144.28x = 27,744,506.16 × 11,404,407.56
  4. Step 4: Simplify right side
    20,101,144.28x = 316,409,655,799,570.56
  5. Step 5: Solve for x
    x = 316,409,655,799,570.56/20,101,144.28
  6. Step 6: Final answer
    x = 15,740,877.80

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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.