Home / 36,693,010.56-55,047,758.40-12,430,542.72

Finding the Fourth Proportional to 36,693,010.56, 55,047,758.40 and 12,430,542.72

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Solution

The fourth proportional to 36,693,010.56, 55,047,758.40 and 12,430,542.72 is: 18,648,606.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,693,010.56 : 55,047,758.40 = 12,430,542.72 : x
  2. Step 2: Convert to fraction form
    36,693,010.56/55,047,758.40 = 12,430,542.72/x
  3. Step 3: Cross multiply
    36,693,010.56x = 55,047,758.40 × 12,430,542.72
  4. Step 4: Simplify right side
    36,693,010.56x = 684,273,512,431,438.88
  5. Step 5: Solve for x
    x = 684,273,512,431,438.88/36,693,010.56
  6. Step 6: Final answer
    x = 18,648,606.42

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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.