Finding the Fourth Proportional to 10,806,217.68, 14,895,278.28 and 7,320,496.08
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Solution
The fourth proportional to 10,806,217.68, 14,895,278.28 and 7,320,496.08 is: 10,090,563.55
Step by Step Solution
- Step 1: Write the proportion equation
10,806,217.68 : 14,895,278.28 = 7,320,496.08 : x - Step 2: Convert to fraction form
10,806,217.68/14,895,278.28 = 7,320,496.08/x - Step 3: Cross multiply
10,806,217.68x = 14,895,278.28 × 7,320,496.08 - Step 4: Simplify right side
10,806,217.68x = 109,040,826,259,249.14 - Step 5: Solve for x
x = 109,040,826,259,249.14/10,806,217.68 - Step 6: Final answer
x = 10,090,563.55
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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.