Home / 20,101,485.12-27,744,975.84-11,404,748.16

Finding the Fourth Proportional to 20,101,485.12, 27,744,975.84 and 11,404,748.16

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Solution

The fourth proportional to 20,101,485.12, 27,744,975.84 and 11,404,748.16 is: 15,741,347.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,101,485.12 : 27,744,975.84 = 11,404,748.16 : x
  2. Step 2: Convert to fraction form
    20,101,485.12/27,744,975.84 = 11,404,748.16/x
  3. Step 3: Cross multiply
    20,101,485.12x = 27,744,975.84 × 11,404,748.16
  4. Step 4: Simplify right side
    20,101,485.12x = 316,424,462,160,484.44
  5. Step 5: Solve for x
    x = 316,424,462,160,484.44/20,101,485.12
  6. Step 6: Final answer
    x = 15,741,347.48

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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.