Finding the Fourth Proportional to 10,666,487.18, 14,705,855.40 and 6,797,596.70
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Solution
The fourth proportional to 10,666,487.18, 14,705,855.40 and 6,797,596.70 is: 9,371,827.15
Step by Step Solution
- Step 1: Write the proportion equation
10,666,487.18 : 14,705,855.40 = 6,797,596.70 : x - Step 2: Convert to fraction form
10,666,487.18/14,705,855.40 = 6,797,596.70/x - Step 3: Cross multiply
10,666,487.18x = 14,705,855.40 × 6,797,596.70 - Step 4: Simplify right side
10,666,487.18x = 99,964,474,137,717.19 - Step 5: Solve for x
x = 99,964,474,137,717.19/10,666,487.18 - Step 6: Final answer
x = 9,371,827.15
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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.