Finding the Fourth Proportional to 19,330,799.68, 28,995,678.24 and 4,757,849.08
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Solution
The fourth proportional to 19,330,799.68, 28,995,678.24 and 4,757,849.08 is: 7,136,645.32
Step by Step Solution
- Step 1: Write the proportion equation
19,330,799.68 : 28,995,678.24 = 4,757,849.08 : x - Step 2: Convert to fraction form
19,330,799.68/28,995,678.24 = 4,757,849.08/x - Step 3: Cross multiply
19,330,799.68x = 28,995,678.24 × 4,757,849.08 - Step 4: Simplify right side
19,330,799.68x = 137,957,061,038,160.02 - Step 5: Solve for x
x = 137,957,061,038,160.02/19,330,799.68 - Step 6: Final answer
x = 7,136,645.32
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.