Home / 28,473,958.92-42,726,487.10-12,076,692.81

Finding the Fourth Proportional to 28,473,958.92, 42,726,487.10 and 12,076,692.81

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Solution

The fourth proportional to 28,473,958.92, 42,726,487.10 and 12,076,692.81 is: 18,121,633.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,473,958.92 : 42,726,487.10 = 12,076,692.81 : x
  2. Step 2: Convert to fraction form
    28,473,958.92/42,726,487.10 = 12,076,692.81/x
  3. Step 3: Cross multiply
    28,473,958.92x = 42,726,487.10 × 12,076,692.81
  4. Step 4: Simplify right side
    28,473,958.92x = 515,994,659,336,519.94
  5. Step 5: Solve for x
    x = 515,994,659,336,519.94/28,473,958.92
  6. Step 6: Final answer
    x = 18,121,633.90

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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.