Home / 38,489,783.55-57,743,292.12-12,930,095.85

Finding the Fourth Proportional to 38,489,783.55, 57,743,292.12 and 12,930,095.85

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Solution

The fourth proportional to 38,489,783.55, 57,743,292.12 and 12,930,095.85 is: 19,398,038.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,489,783.55 : 57,743,292.12 = 12,930,095.85 : x
  2. Step 2: Convert to fraction form
    38,489,783.55/57,743,292.12 = 12,930,095.85/x
  3. Step 3: Cross multiply
    38,489,783.55x = 57,743,292.12 × 12,930,095.85
  4. Step 4: Simplify right side
    38,489,783.55x = 746,626,301,741,499.25
  5. Step 5: Solve for x
    x = 746,626,301,741,499.25/38,489,783.55
  6. Step 6: Final answer
    x = 19,398,038.46

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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.