Finding the Fourth Proportional to 7,117,916.63, 10,693,907.96 and 4,564,134.99
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Solution
The fourth proportional to 7,117,916.63, 10,693,907.96 and 4,564,134.99 is: 6,857,124.36
Step by Step Solution
- Step 1: Write the proportion equation
7,117,916.63 : 10,693,907.96 = 4,564,134.99 : x - Step 2: Convert to fraction form
7,117,916.63/10,693,907.96 = 4,564,134.99/x - Step 3: Cross multiply
7,117,916.63x = 10,693,907.96 × 4,564,134.99 - Step 4: Simplify right side
7,117,916.63x = 48,808,439,477,254.85 - Step 5: Solve for x
x = 48,808,439,477,254.85/7,117,916.63 - Step 6: Final answer
x = 6,857,124.36
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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.