Home / 7,777,223.40-11,665,835.10-4,939,372.20

Finding the Fourth Proportional to 7,777,223.40, 11,665,835.10 and 4,939,372.20

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Solution

The fourth proportional to 7,777,223.40, 11,665,835.10 and 4,939,372.20 is: 7,409,058.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,777,223.40 : 11,665,835.10 = 4,939,372.20 : x
  2. Step 2: Convert to fraction form
    7,777,223.40/11,665,835.10 = 4,939,372.20/x
  3. Step 3: Cross multiply
    7,777,223.40x = 11,665,835.10 × 4,939,372.20
  4. Step 4: Simplify right side
    7,777,223.40x = 57,621,901,582,724.22
  5. Step 5: Solve for x
    x = 57,621,901,582,724.22/7,777,223.40
  6. Step 6: Final answer
    x = 7,409,058.30

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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.