Finding the Fourth Proportional to 20,823,244.84, 31,233,947.10 and 5,677,177.96
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Solution
The fourth proportional to 20,823,244.84, 31,233,947.10 and 5,677,177.96 is: 8,515,516.07
Step by Step Solution
- Step 1: Write the proportion equation
20,823,244.84 : 31,233,947.10 = 5,677,177.96 : x - Step 2: Convert to fraction form
20,823,244.84/31,233,947.10 = 5,677,177.96/x - Step 3: Cross multiply
20,823,244.84x = 31,233,947.10 × 5,677,177.96 - Step 4: Simplify right side
20,823,244.84x = 177,320,676,079,925.94 - Step 5: Solve for x
x = 177,320,676,079,925.94/20,823,244.84 - Step 6: Final answer
x = 8,515,516.07
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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.