Home / 13,407,120.47-20,110,867.56-3,822,499.01

Finding the Fourth Proportional to 13,407,120.47, 20,110,867.56 and 3,822,499.01

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Solution

The fourth proportional to 13,407,120.47, 20,110,867.56 and 3,822,499.01 is: 5,733,801.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,407,120.47 : 20,110,867.56 = 3,822,499.01 : x
  2. Step 2: Convert to fraction form
    13,407,120.47/20,110,867.56 = 3,822,499.01/x
  3. Step 3: Cross multiply
    13,407,120.47x = 20,110,867.56 × 3,822,499.01
  4. Step 4: Simplify right side
    13,407,120.47x = 76,873,771,388,618.28
  5. Step 5: Solve for x
    x = 76,873,771,388,618.28/13,407,120.47
  6. Step 6: Final answer
    x = 5,733,801.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.