Home / 11,458,247.22-15,854,018.31-9,991,214.64

Finding the Fourth Proportional to 11,458,247.22, 15,854,018.31 and 9,991,214.64

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Solution

The fourth proportional to 11,458,247.22, 15,854,018.31 and 9,991,214.64 is: 13,824,182.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,458,247.22 : 15,854,018.31 = 9,991,214.64 : x
  2. Step 2: Convert to fraction form
    11,458,247.22/15,854,018.31 = 9,991,214.64/x
  3. Step 3: Cross multiply
    11,458,247.22x = 15,854,018.31 × 9,991,214.64
  4. Step 4: Simplify right side
    11,458,247.22x = 158,400,899,841,700.06
  5. Step 5: Solve for x
    x = 158,400,899,841,700.06/11,458,247.22
  6. Step 6: Final answer
    x = 13,824,182.43

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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.