Finding the Fourth Proportional to 19,859,227.75, 29,788,843.25 and 6,396,055.75
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Solution
The fourth proportional to 19,859,227.75, 29,788,843.25 and 6,396,055.75 is: 9,594,084.15
Step by Step Solution
- Step 1: Write the proportion equation
19,859,227.75 : 29,788,843.25 = 6,396,055.75 : x - Step 2: Convert to fraction form
19,859,227.75/29,788,843.25 = 6,396,055.75/x - Step 3: Cross multiply
19,859,227.75x = 29,788,843.25 × 6,396,055.75 - Step 4: Simplify right side
19,859,227.75x = 190,531,102,155,011.19 - Step 5: Solve for x
x = 190,531,102,155,011.19/19,859,227.75 - Step 6: Final answer
x = 9,594,084.15
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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.