Home / 10,667,615.81-15,994,943.89-4,182,922.39

Finding the Fourth Proportional to 10,667,615.81, 15,994,943.89 and 4,182,922.39

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Solution

The fourth proportional to 10,667,615.81, 15,994,943.89 and 4,182,922.39 is: 6,271,842.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,667,615.81 : 15,994,943.89 = 4,182,922.39 : x
  2. Step 2: Convert to fraction form
    10,667,615.81/15,994,943.89 = 4,182,922.39/x
  3. Step 3: Cross multiply
    10,667,615.81x = 15,994,943.89 × 4,182,922.39
  4. Step 4: Simplify right side
    10,667,615.81x = 66,905,608,854,757.28
  5. Step 5: Solve for x
    x = 66,905,608,854,757.28/10,667,615.81
  6. Step 6: Final answer
    x = 6,271,842.75

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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.