Home / 13,091,789.76-18,057,378.48-11,118,040.02

Finding the Fourth Proportional to 13,091,789.76, 18,057,378.48 and 11,118,040.02

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Solution

The fourth proportional to 13,091,789.76, 18,057,378.48 and 11,118,040.02 is: 15,335,004.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,091,789.76 : 18,057,378.48 = 11,118,040.02 : x
  2. Step 2: Convert to fraction form
    13,091,789.76/18,057,378.48 = 11,118,040.02/x
  3. Step 3: Cross multiply
    13,091,789.76x = 18,057,378.48 × 11,118,040.02
  4. Step 4: Simplify right side
    13,091,789.76x = 200,762,656,596,926.78
  5. Step 5: Solve for x
    x = 200,762,656,596,926.78/13,091,789.76
  6. Step 6: Final answer
    x = 15,335,004.63

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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.