Home / 7,112,121.48-9,814,758.98-3,848,936.76

Finding the Fourth Proportional to 7,112,121.48, 9,814,758.98 and 3,848,936.76

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Solution

The fourth proportional to 7,112,121.48, 9,814,758.98 and 3,848,936.76 is: 5,311,549.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,112,121.48 : 9,814,758.98 = 3,848,936.76 : x
  2. Step 2: Convert to fraction form
    7,112,121.48/9,814,758.98 = 3,848,936.76/x
  3. Step 3: Cross multiply
    7,112,121.48x = 9,814,758.98 × 3,848,936.76
  4. Step 4: Simplify right side
    7,112,121.48x = 37,776,386,628,662.10
  5. Step 5: Solve for x
    x = 37,776,386,628,662.10/7,112,121.48
  6. Step 6: Final answer
    x = 5,311,549.69

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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.