Home / 31,766,546.40-47,529,575.64-18,819,647.88

Finding the Fourth Proportional to 31,766,546.40, 47,529,575.64 and 18,819,647.88

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Solution

The fourth proportional to 31,766,546.40, 47,529,575.64 and 18,819,647.88 is: 28,158,234.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,766,546.40 : 47,529,575.64 = 18,819,647.88 : x
  2. Step 2: Convert to fraction form
    31,766,546.40/47,529,575.64 = 18,819,647.88/x
  3. Step 3: Cross multiply
    31,766,546.40x = 47,529,575.64 × 18,819,647.88
  4. Step 4: Simplify right side
    31,766,546.40x = 894,489,877,430,625.62
  5. Step 5: Solve for x
    x = 894,489,877,430,625.62/31,766,546.40
  6. Step 6: Final answer
    x = 28,158,234.96

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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.