Finding the Fourth Proportional to 7,876,700.85, 10,869,578.44 and 4,344,637.44
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Solution
The fourth proportional to 7,876,700.85, 10,869,578.44 and 4,344,637.44 is: 5,995,451.44
Step by Step Solution
- Step 1: Write the proportion equation
7,876,700.85 : 10,869,578.44 = 4,344,637.44 : x - Step 2: Convert to fraction form
7,876,700.85/10,869,578.44 = 4,344,637.44/x - Step 3: Cross multiply
7,876,700.85x = 10,869,578.44 × 4,344,637.44 - Step 4: Simplify right side
7,876,700.85x = 47,224,377,447,440.80 - Step 5: Solve for x
x = 47,224,377,447,440.80/7,876,700.85 - Step 6: Final answer
x = 5,995,451.44
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.