Home / 10,667,606.87-15,994,930.30-4,182,912.90

Finding the Fourth Proportional to 10,667,606.87, 15,994,930.30 and 4,182,912.90

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Solution

The fourth proportional to 10,667,606.87, 15,994,930.30 and 4,182,912.90 is: 6,271,828.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,667,606.87 : 15,994,930.30 = 4,182,912.90 : x
  2. Step 2: Convert to fraction form
    10,667,606.87/15,994,930.30 = 4,182,912.90/x
  3. Step 3: Cross multiply
    10,667,606.87x = 15,994,930.30 × 4,182,912.90
  4. Step 4: Simplify right side
    10,667,606.87x = 66,905,400,276,013.59
  5. Step 5: Solve for x
    x = 66,905,400,276,013.59/10,667,606.87
  6. Step 6: Final answer
    x = 6,271,828.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.