Finding the Fourth Proportional to 19,859,676.68, 29,789,471.28 and 5,286,599.44
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Solution
The fourth proportional to 19,859,676.68, 29,789,471.28 and 5,286,599.44 is: 7,929,887.52
Step by Step Solution
- Step 1: Write the proportion equation
19,859,676.68 : 29,789,471.28 = 5,286,599.44 : x - Step 2: Convert to fraction form
19,859,676.68/29,789,471.28 = 5,286,599.44/x - Step 3: Cross multiply
19,859,676.68x = 29,789,471.28 × 5,286,599.44 - Step 4: Simplify right side
19,859,676.68x = 157,485,002,186,744.09 - Step 5: Solve for x
x = 157,485,002,186,744.09/19,859,676.68 - Step 6: Final answer
x = 7,929,887.52
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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.