Finding the Fourth Proportional to 18,476,472.78, 27,712,927.98 and 5,693,545.26
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Solution
The fourth proportional to 18,476,472.78, 27,712,927.98 and 5,693,545.26 is: 8,539,769.01
Step by Step Solution
- Step 1: Write the proportion equation
18,476,472.78 : 27,712,927.98 = 5,693,545.26 : x - Step 2: Convert to fraction form
18,476,472.78/27,712,927.98 = 5,693,545.26/x - Step 3: Cross multiply
18,476,472.78x = 27,712,927.98 × 5,693,545.26 - Step 4: Simplify right side
18,476,472.78x = 157,784,809,741,250.38 - Step 5: Solve for x
x = 157,784,809,741,250.38/18,476,472.78 - Step 6: Final answer
x = 8,539,769.01
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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.