Home / 38,079,893.90-52,548,780.30-20,675,840.85

Finding the Fourth Proportional to 38,079,893.90, 52,548,780.30 and 20,675,840.85

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Solution

The fourth proportional to 38,079,893.90, 52,548,780.30 and 20,675,840.85 is: 28,531,860.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,079,893.90 : 52,548,780.30 = 20,675,840.85 : x
  2. Step 2: Convert to fraction form
    38,079,893.90/52,548,780.30 = 20,675,840.85/x
  3. Step 3: Cross multiply
    38,079,893.90x = 52,548,780.30 × 20,675,840.85
  4. Step 4: Simplify right side
    38,079,893.90x = 1,086,490,218,344,415.25
  5. Step 5: Solve for x
    x = 1,086,490,218,344,415.25/38,079,893.90
  6. Step 6: Final answer
    x = 28,531,860.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.