Home / 11,458,248.22-15,854,019.69-9,991,215.64

Finding the Fourth Proportional to 11,458,248.22, 15,854,019.69 and 9,991,215.64

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Solution

The fourth proportional to 11,458,248.22, 15,854,019.69 and 9,991,215.64 is: 13,824,183.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,458,248.22 : 15,854,019.69 = 9,991,215.64 : x
  2. Step 2: Convert to fraction form
    11,458,248.22/15,854,019.69 = 9,991,215.64/x
  3. Step 3: Cross multiply
    11,458,248.22x = 15,854,019.69 × 9,991,215.64
  4. Step 4: Simplify right side
    11,458,248.22x = 158,400,929,483,595.97
  5. Step 5: Solve for x
    x = 158,400,929,483,595.97/11,458,248.22
  6. Step 6: Final answer
    x = 13,824,183.81

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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.