Finding the Fourth Proportional to 7,328,245.40, 10,987,053.69 and 4,926,132.08
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Solution
The fourth proportional to 7,328,245.40, 10,987,053.69 and 4,926,132.08 is: 7,385,625.71
Step by Step Solution
- Step 1: Write the proportion equation
7,328,245.40 : 10,987,053.69 = 4,926,132.08 : x - Step 2: Convert to fraction form
7,328,245.40/10,987,053.69 = 4,926,132.08/x - Step 3: Cross multiply
7,328,245.40x = 10,987,053.69 × 4,926,132.08 - Step 4: Simplify right side
7,328,245.40x = 54,123,677,646,991.38 - Step 5: Solve for x
x = 54,123,677,646,991.38/7,328,245.40 - Step 6: Final answer
x = 7,385,625.71
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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.