Finding the Fourth Proportional to 8,891,501.79, 12,270,331.04 and 4,817,120.79
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Solution
The fourth proportional to 8,891,501.79, 12,270,331.04 and 4,817,120.79 is: 6,647,658.42
Step by Step Solution
- Step 1: Write the proportion equation
8,891,501.79 : 12,270,331.04 = 4,817,120.79 : x - Step 2: Convert to fraction form
8,891,501.79/12,270,331.04 = 4,817,120.79/x - Step 3: Cross multiply
8,891,501.79x = 12,270,331.04 × 4,817,120.79 - Step 4: Simplify right side
8,891,501.79x = 59,107,666,728,880.72 - Step 5: Solve for x
x = 59,107,666,728,880.72/8,891,501.79 - Step 6: Final answer
x = 6,647,658.42
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1.5x scale
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.