Home / 7,111,667.70-9,814,101.21-3,848,482.40

Finding the Fourth Proportional to 7,111,667.70, 9,814,101.21 and 3,848,482.40

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Solution

The fourth proportional to 7,111,667.70, 9,814,101.21 and 3,848,482.40 is: 5,310,905.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,111,667.70 : 9,814,101.21 = 3,848,482.40 : x
  2. Step 2: Convert to fraction form
    7,111,667.70/9,814,101.21 = 3,848,482.40/x
  3. Step 3: Cross multiply
    7,111,667.70x = 9,814,101.21 × 3,848,482.40
  4. Step 4: Simplify right side
    7,111,667.70x = 37,769,395,729,433.20
  5. Step 5: Solve for x
    x = 37,769,395,729,433.20/7,111,667.70
  6. Step 6: Final answer
    x = 5,310,905.59

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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.