Finding the Fourth Proportional to 21,090,764.04, 29,104,083.66 and 11,796,538.80
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Solution
The fourth proportional to 21,090,764.04, 29,104,083.66 and 11,796,538.80 is: 16,278,568.74
Step by Step Solution
- Step 1: Write the proportion equation
21,090,764.04 : 29,104,083.66 = 11,796,538.80 : x - Step 2: Convert to fraction form
21,090,764.04/29,104,083.66 = 11,796,538.80/x - Step 3: Cross multiply
21,090,764.04x = 29,104,083.66 × 11,796,538.80 - Step 4: Simplify right side
21,090,764.04x = 343,327,452,133,636.06 - Step 5: Solve for x
x = 343,327,452,133,636.06/21,090,764.04 - Step 6: Final answer
x = 16,278,568.74
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.