Home / 7,777,248.40-11,665,872.60-4,939,397.20

Finding the Fourth Proportional to 7,777,248.40, 11,665,872.60 and 4,939,397.20

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Solution

The fourth proportional to 7,777,248.40, 11,665,872.60 and 4,939,397.20 is: 7,409,095.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,777,248.40 : 11,665,872.60 = 4,939,397.20 : x
  2. Step 2: Convert to fraction form
    7,777,248.40/11,665,872.60 = 4,939,397.20/x
  3. Step 3: Cross multiply
    7,777,248.40x = 11,665,872.60 × 4,939,397.20
  4. Step 4: Simplify right side
    7,777,248.40x = 57,622,378,455,996.72
  5. Step 5: Solve for x
    x = 57,622,378,455,996.72/7,777,248.40
  6. Step 6: Final answer
    x = 7,409,095.80

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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.