Home / 13,752,458.70-20,613,622.05-6,918,132.30

Finding the Fourth Proportional to 13,752,458.70, 20,613,622.05 and 6,918,132.30

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Solution

The fourth proportional to 13,752,458.70, 20,613,622.05 and 6,918,132.30 is: 10,369,619.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,752,458.70 : 20,613,622.05 = 6,918,132.30 : x
  2. Step 2: Convert to fraction form
    13,752,458.70/20,613,622.05 = 6,918,132.30/x
  3. Step 3: Cross multiply
    13,752,458.70x = 20,613,622.05 × 6,918,132.30
  4. Step 4: Simplify right side
    13,752,458.70x = 142,607,764,524,097.22
  5. Step 5: Solve for x
    x = 142,607,764,524,097.22/13,752,458.70
  6. Step 6: Final answer
    x = 10,369,619.54

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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.