Home / 20,533,419.54-28,336,119.51-11,366,062.29

Finding the Fourth Proportional to 20,533,419.54, 28,336,119.51 and 11,366,062.29

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Solution

The fourth proportional to 20,533,419.54, 28,336,119.51 and 11,366,062.29 is: 15,685,166.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,533,419.54 : 28,336,119.51 = 11,366,062.29 : x
  2. Step 2: Convert to fraction form
    20,533,419.54/28,336,119.51 = 11,366,062.29/x
  3. Step 3: Cross multiply
    20,533,419.54x = 28,336,119.51 × 11,366,062.29
  4. Step 4: Simplify right side
    20,533,419.54x = 322,070,099,407,544.25
  5. Step 5: Solve for x
    x = 322,070,099,407,544.25/20,533,419.54
  6. Step 6: Final answer
    x = 15,685,166.26

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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.