Finding the Fourth Proportional to 10,347,486.26, 14,279,545.20 and 5,637,858.32
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Solution
The fourth proportional to 10,347,486.26, 14,279,545.20 and 5,637,858.32 is: 7,780,252.20
Step by Step Solution
- Step 1: Write the proportion equation
10,347,486.26 : 14,279,545.20 = 5,637,858.32 : x - Step 2: Convert to fraction form
10,347,486.26/14,279,545.20 = 5,637,858.32/x - Step 3: Cross multiply
10,347,486.26x = 14,279,545.20 × 5,637,858.32 - Step 4: Simplify right side
10,347,486.26x = 80,506,052,711,636.06 - Step 5: Solve for x
x = 80,506,052,711,636.06/10,347,486.26 - Step 6: Final answer
x = 7,780,252.20
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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.