Finding the Fourth Proportional to 10,806,603.12, 14,906,614.68 and 7,135,553.52
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Solution
The fourth proportional to 10,806,603.12, 14,906,614.68 and 7,135,553.52 is: 9,842,773.50
Step by Step Solution
- Step 1: Write the proportion equation
10,806,603.12 : 14,906,614.68 = 7,135,553.52 : x - Step 2: Convert to fraction form
10,806,603.12/14,906,614.68 = 7,135,553.52/x - Step 3: Cross multiply
10,806,603.12x = 14,906,614.68 × 7,135,553.52 - Step 4: Simplify right side
10,806,603.12x = 106,366,946,851,157.67 - Step 5: Solve for x
x = 106,366,946,851,157.67/10,806,603.12 - Step 6: Final answer
x = 9,842,773.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.