Finding the Fourth Proportional to 19,659,808.67, 29,489,687.55 and 5,282,876.69
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Solution
The fourth proportional to 19,659,808.67, 29,489,687.55 and 5,282,876.69 is: 7,924,308.19
Step by Step Solution
- Step 1: Write the proportion equation
19,659,808.67 : 29,489,687.55 = 5,282,876.69 : x - Step 2: Convert to fraction form
19,659,808.67/29,489,687.55 = 5,282,876.69/x - Step 3: Cross multiply
19,659,808.67x = 29,489,687.55 × 5,282,876.69 - Step 4: Simplify right side
19,659,808.67x = 155,790,382,953,278.22 - Step 5: Solve for x
x = 155,790,382,953,278.22/19,659,808.67 - Step 6: Final answer
x = 7,924,308.19
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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.