Finding the Fourth Proportional to 8,606,113.68, 11,876,464.98 and 4,685,916.18
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Solution
The fourth proportional to 8,606,113.68, 11,876,464.98 and 4,685,916.18 is: 6,466,579.63
Step by Step Solution
- Step 1: Write the proportion equation
8,606,113.68 : 11,876,464.98 = 4,685,916.18 : x - Step 2: Convert to fraction form
8,606,113.68/11,876,464.98 = 4,685,916.18/x - Step 3: Cross multiply
8,606,113.68x = 11,876,464.98 × 4,685,916.18 - Step 4: Simplify right side
8,606,113.68x = 55,652,119,410,985.38 - Step 5: Solve for x
x = 55,652,119,410,985.38/8,606,113.68 - Step 6: Final answer
x = 6,466,579.63
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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.