Home / 7,111,644.85-9,814,069.88-3,848,459.58

Finding the Fourth Proportional to 7,111,644.85, 9,814,069.88 and 3,848,459.58

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Solution

The fourth proportional to 7,111,644.85, 9,814,069.88 and 3,848,459.58 is: 5,310,874.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,111,644.85 : 9,814,069.88 = 3,848,459.58 : x
  2. Step 2: Convert to fraction form
    7,111,644.85/9,814,069.88 = 3,848,459.58/x
  3. Step 3: Cross multiply
    7,111,644.85x = 9,814,069.88 × 3,848,459.58
  4. Step 4: Simplify right side
    7,111,644.85x = 37,769,051,243,664.88
  5. Step 5: Solve for x
    x = 37,769,051,243,664.88/7,111,644.85
  6. Step 6: Final answer
    x = 5,310,874.21

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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.