Home / 38,489,782.46-57,743,290.44-12,930,094.76

Finding the Fourth Proportional to 38,489,782.46, 57,743,290.44 and 12,930,094.76

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Solution

The fourth proportional to 38,489,782.46, 57,743,290.44 and 12,930,094.76 is: 19,398,036.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,489,782.46 : 57,743,290.44 = 12,930,094.76 : x
  2. Step 2: Convert to fraction form
    38,489,782.46/57,743,290.44 = 12,930,094.76/x
  3. Step 3: Cross multiply
    38,489,782.46x = 57,743,290.44 × 12,930,094.76
  4. Step 4: Simplify right side
    38,489,782.46x = 746,626,217,143,402
  5. Step 5: Solve for x
    x = 746,626,217,143,402/38,489,782.46
  6. Step 6: Final answer
    x = 19,398,036.81

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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.