Home / 7,257,776.72-10,886,900.85-2,139,777.43

Finding the Fourth Proportional to 7,257,776.72, 10,886,900.85 and 2,139,777.43

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Solution

The fourth proportional to 7,257,776.72, 10,886,900.85 and 2,139,777.43 is: 3,209,735.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,257,776.72 : 10,886,900.85 = 2,139,777.43 : x
  2. Step 2: Convert to fraction form
    7,257,776.72/10,886,900.85 = 2,139,777.43/x
  3. Step 3: Cross multiply
    7,257,776.72x = 10,886,900.85 × 2,139,777.43
  4. Step 4: Simplify right side
    7,257,776.72x = 23,295,544,715,852.25
  5. Step 5: Solve for x
    x = 23,295,544,715,852.25/7,257,776.72
  6. Step 6: Final answer
    x = 3,209,735.66

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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.