Finding the Fourth Proportional to 7,663,578.02, 11,495,366.11 and 5,260,136.09
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Solution
The fourth proportional to 7,663,578.02, 11,495,366.11 and 5,260,136.09 is: 7,890,203.51
Step by Step Solution
- Step 1: Write the proportion equation
7,663,578.02 : 11,495,366.11 = 5,260,136.09 : x - Step 2: Convert to fraction form
7,663,578.02/11,495,366.11 = 5,260,136.09/x - Step 3: Cross multiply
7,663,578.02x = 11,495,366.11 × 5,260,136.09 - Step 4: Simplify right side
7,663,578.02x = 60,467,190,158,561.98 - Step 5: Solve for x
x = 60,467,190,158,561.98/7,663,578.02 - Step 6: Final answer
x = 7,890,203.51
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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.