Finding the Fourth Proportional to 20,690,583.22, 28,553,889.81 and 11,523,224.50
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Solution
The fourth proportional to 20,690,583.22, 28,553,889.81 and 11,523,224.50 is: 15,902,542.68
Step by Step Solution
- Step 1: Write the proportion equation
20,690,583.22 : 28,553,889.81 = 11,523,224.50 : x - Step 2: Convert to fraction form
20,690,583.22/28,553,889.81 = 11,523,224.50/x - Step 3: Cross multiply
20,690,583.22x = 28,553,889.81 × 11,523,224.50 - Step 4: Simplify right side
20,690,583.22x = 329,032,882,628,892.31 - Step 5: Solve for x
x = 329,032,882,628,892.31/20,690,583.22 - Step 6: Final answer
x = 15,902,542.68
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.