Home / 20,049,245.52-27,667,986.12-10,881,888.72

Finding the Fourth Proportional to 20,049,245.52, 27,667,986.12 and 10,881,888.72

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Solution

The fourth proportional to 20,049,245.52, 27,667,986.12 and 10,881,888.72 is: 15,017,021.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,049,245.52 : 27,667,986.12 = 10,881,888.72 : x
  2. Step 2: Convert to fraction form
    20,049,245.52/27,667,986.12 = 10,881,888.72/x
  3. Step 3: Cross multiply
    20,049,245.52x = 27,667,986.12 × 10,881,888.72
  4. Step 4: Simplify right side
    20,049,245.52x = 301,079,946,064,344.62
  5. Step 5: Solve for x
    x = 301,079,946,064,344.62/20,049,245.52
  6. Step 6: Final answer
    x = 15,017,021.25

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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.