Home / 8,424,365.48-12,638,450.82-2,667,448.84

Finding the Fourth Proportional to 8,424,365.48, 12,638,450.82 and 2,667,448.84

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Solution

The fourth proportional to 8,424,365.48, 12,638,450.82 and 2,667,448.84 is: 4,001,775.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,424,365.48 : 12,638,450.82 = 2,667,448.84 : x
  2. Step 2: Convert to fraction form
    8,424,365.48/12,638,450.82 = 2,667,448.84/x
  3. Step 3: Cross multiply
    8,424,365.48x = 12,638,450.82 × 2,667,448.84
  4. Step 4: Simplify right side
    8,424,365.48x = 33,712,420,979,206.05
  5. Step 5: Solve for x
    x = 33,712,420,979,206.05/8,424,365.48
  6. Step 6: Final answer
    x = 4,001,775.69

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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.