Home / 30,156,819.41-45,227,755.35-8,591,607.83

Finding the Fourth Proportional to 30,156,819.41, 45,227,755.35 and 8,591,607.83

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Solution

The fourth proportional to 30,156,819.41, 45,227,755.35 and 8,591,607.83 is: 12,885,282.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,156,819.41 : 45,227,755.35 = 8,591,607.83 : x
  2. Step 2: Convert to fraction form
    30,156,819.41/45,227,755.35 = 8,591,607.83/x
  3. Step 3: Cross multiply
    30,156,819.41x = 45,227,755.35 × 8,591,607.83
  4. Step 4: Simplify right side
    30,156,819.41x = 388,579,137,111,453.75
  5. Step 5: Solve for x
    x = 388,579,137,111,453.75/30,156,819.41
  6. Step 6: Final answer
    x = 12,885,282.49

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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.