Finding the Fourth Proportional to 19,393,412.19, 29,081,364.12 and 5,557,206.19
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Solution
The fourth proportional to 19,393,412.19, 29,081,364.12 and 5,557,206.19 is: 8,333,300.77
Step by Step Solution
- Step 1: Write the proportion equation
19,393,412.19 : 29,081,364.12 = 5,557,206.19 : x - Step 2: Convert to fraction form
19,393,412.19/29,081,364.12 = 5,557,206.19/x - Step 3: Cross multiply
19,393,412.19x = 29,081,364.12 × 5,557,206.19 - Step 4: Simplify right side
19,393,412.19x = 161,611,136,701,307.91 - Step 5: Solve for x
x = 161,611,136,701,307.91/19,393,412.19 - Step 6: Final answer
x = 8,333,300.77
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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.