Finding the Fourth Proportional to 10,702,876.31, 14,769,979.32 and 6,119,293.67
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Solution
The fourth proportional to 10,702,876.31, 14,769,979.32 and 6,119,293.67 is: 8,444,630.99
Step by Step Solution
- Step 1: Write the proportion equation
10,702,876.31 : 14,769,979.32 = 6,119,293.67 : x - Step 2: Convert to fraction form
10,702,876.31/14,769,979.32 = 6,119,293.67/x - Step 3: Cross multiply
10,702,876.31x = 14,769,979.32 × 6,119,293.67 - Step 4: Simplify right side
10,702,876.31x = 90,381,840,958,906.91 - Step 5: Solve for x
x = 90,381,840,958,906.91/10,702,876.31 - Step 6: Final answer
x = 8,444,630.99
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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.