Finding the Fourth Proportional to 16,321,946.80, 24,454,926.60 and 7,783,898.80
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Solution
The fourth proportional to 16,321,946.80, 24,454,926.60 and 7,783,898.80 is: 11,662,498.12
Step by Step Solution
- Step 1: Write the proportion equation
16,321,946.80 : 24,454,926.60 = 7,783,898.80 : x - Step 2: Convert to fraction form
16,321,946.80/24,454,926.60 = 7,783,898.80/x - Step 3: Cross multiply
16,321,946.80x = 24,454,926.60 × 7,783,898.80 - Step 4: Simplify right side
16,321,946.80x = 190,354,673,815,828.09 - Step 5: Solve for x
x = 190,354,673,815,828.09/16,321,946.80 - Step 6: Final answer
x = 11,662,498.12
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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.