Home / 28,310,251.86-42,458,379.30-12,134,368.80

Finding the Fourth Proportional to 28,310,251.86, 42,458,379.30 and 12,134,368.80

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Solution

The fourth proportional to 28,310,251.86, 42,458,379.30 and 12,134,368.80 is: 18,198,553.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,310,251.86 : 42,458,379.30 = 12,134,368.80 : x
  2. Step 2: Convert to fraction form
    28,310,251.86/42,458,379.30 = 12,134,368.80/x
  3. Step 3: Cross multiply
    28,310,251.86x = 42,458,379.30 × 12,134,368.80
  4. Step 4: Simplify right side
    28,310,251.86x = 515,205,633,076,485.81
  5. Step 5: Solve for x
    x = 515,205,633,076,485.81/28,310,251.86
  6. Step 6: Final answer
    x = 18,198,553.50

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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.