Finding the Fourth Proportional to 19,601,992.68, 27,051,407.22 and 10,781,817.12
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Solution
The fourth proportional to 19,601,992.68, 27,051,407.22 and 10,781,817.12 is: 14,879,269.18
Step by Step Solution
- Step 1: Write the proportion equation
19,601,992.68 : 27,051,407.22 = 10,781,817.12 : x - Step 2: Convert to fraction form
19,601,992.68/27,051,407.22 = 10,781,817.12/x - Step 3: Cross multiply
19,601,992.68x = 27,051,407.22 × 10,781,817.12 - Step 4: Simplify right side
19,601,992.68x = 291,663,325,484,687.56 - Step 5: Solve for x
x = 291,663,325,484,687.56/19,601,992.68 - Step 6: Final answer
x = 14,879,269.18
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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.