Home / 7,182,692.37-9,912,325.79-3,919,717.35

Finding the Fourth Proportional to 7,182,692.37, 9,912,325.79 and 3,919,717.35

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Solution

The fourth proportional to 7,182,692.37, 9,912,325.79 and 3,919,717.35 is: 5,409,324.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,182,692.37 : 9,912,325.79 = 3,919,717.35 : x
  2. Step 2: Convert to fraction form
    7,182,692.37/9,912,325.79 = 3,919,717.35/x
  3. Step 3: Cross multiply
    7,182,692.37x = 9,912,325.79 × 3,919,717.35
  4. Step 4: Simplify right side
    7,182,692.37x = 38,853,515,358,316.88
  5. Step 5: Solve for x
    x = 38,853,515,358,316.88/7,182,692.37
  6. Step 6: Final answer
    x = 5,409,324.72

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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.