Finding the Fourth Proportional to 19,975,282.19, 29,876,365.72 and 11,758,341.65
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Solution
The fourth proportional to 19,975,282.19, 29,876,365.72 and 11,758,341.65 is: 17,586,560.83
Step by Step Solution
- Step 1: Write the proportion equation
19,975,282.19 : 29,876,365.72 = 11,758,341.65 : x - Step 2: Convert to fraction form
19,975,282.19/29,876,365.72 = 11,758,341.65/x - Step 3: Cross multiply
19,975,282.19x = 29,876,365.72 × 11,758,341.65 - Step 4: Simplify right side
19,975,282.19x = 351,296,515,261,424.31 - Step 5: Solve for x
x = 351,296,515,261,424.31/19,975,282.19 - Step 6: Final answer
x = 17,586,560.83
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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.