Home / 7,078,710.42-9,769,451.31-4,023,383.94

Finding the Fourth Proportional to 7,078,710.42, 9,769,451.31 and 4,023,383.94

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Solution

The fourth proportional to 7,078,710.42, 9,769,451.31 and 4,023,383.94 is: 5,552,742.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,078,710.42 : 9,769,451.31 = 4,023,383.94 : x
  2. Step 2: Convert to fraction form
    7,078,710.42/9,769,451.31 = 4,023,383.94/x
  3. Step 3: Cross multiply
    7,078,710.42x = 9,769,451.31 × 4,023,383.94
  4. Step 4: Simplify right side
    7,078,710.42x = 39,306,253,503,265.96
  5. Step 5: Solve for x
    x = 39,306,253,503,265.96/7,078,710.42
  6. Step 6: Final answer
    x = 5,552,742.12

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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.