Home / 7,125,214.05-9,832,556.21-4,222,881.90

Finding the Fourth Proportional to 7,125,214.05, 9,832,556.21 and 4,222,881.90

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Solution

The fourth proportional to 7,125,214.05, 9,832,556.21 and 4,222,881.90 is: 5,827,435.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,125,214.05 : 9,832,556.21 = 4,222,881.90 : x
  2. Step 2: Convert to fraction form
    7,125,214.05/9,832,556.21 = 4,222,881.90/x
  3. Step 3: Cross multiply
    7,125,214.05x = 9,832,556.21 × 4,222,881.90
  4. Step 4: Simplify right side
    7,125,214.05x = 41,521,723,628,827.20
  5. Step 5: Solve for x
    x = 41,521,723,628,827.20/7,125,214.05
  6. Step 6: Final answer
    x = 5,827,435.27

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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.