Home / 28,310,252.86-42,458,380.80-12,134,369.80

Finding the Fourth Proportional to 28,310,252.86, 42,458,380.80 and 12,134,369.80

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Solution

The fourth proportional to 28,310,252.86, 42,458,380.80 and 12,134,369.80 is: 18,198,555.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,310,252.86 : 42,458,380.80 = 12,134,369.80 : x
  2. Step 2: Convert to fraction form
    28,310,252.86/42,458,380.80 = 12,134,369.80/x
  3. Step 3: Cross multiply
    28,310,252.86x = 42,458,380.80 × 12,134,369.80
  4. Step 4: Simplify right side
    28,310,252.86x = 515,205,693,736,419.81
  5. Step 5: Solve for x
    x = 515,205,693,736,419.81/28,310,252.86
  6. Step 6: Final answer
    x = 18,198,555.00

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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.