Home / 13,370,775.44-18,468,978.47-11,057,013.88

Finding the Fourth Proportional to 13,370,775.44, 18,468,978.47 and 11,057,013.88

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Solution

The fourth proportional to 13,370,775.44, 18,468,978.47 and 11,057,013.88 is: 15,272,992.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,370,775.44 : 18,468,978.47 = 11,057,013.88 : x
  2. Step 2: Convert to fraction form
    13,370,775.44/18,468,978.47 = 11,057,013.88/x
  3. Step 3: Cross multiply
    13,370,775.44x = 18,468,978.47 × 11,057,013.88
  4. Step 4: Simplify right side
    13,370,775.44x = 204,211,751,292,211.16
  5. Step 5: Solve for x
    x = 204,211,751,292,211.16/13,370,775.44
  6. Step 6: Final answer
    x = 15,272,992.37

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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.