Finding the Fourth Proportional to 11,839,534.68, 16,338,557.34 and 6,407,026.68
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Solution
The fourth proportional to 11,839,534.68, 16,338,557.34 and 6,407,026.68 is: 8,841,696.54
Step by Step Solution
- Step 1: Write the proportion equation
11,839,534.68 : 16,338,557.34 = 6,407,026.68 : x - Step 2: Convert to fraction form
11,839,534.68/16,338,557.34 = 6,407,026.68/x - Step 3: Cross multiply
11,839,534.68x = 16,338,557.34 × 6,407,026.68 - Step 4: Simplify right side
11,839,534.68x = 104,681,572,790,089.83 - Step 5: Solve for x
x = 104,681,572,790,089.83/11,839,534.68 - Step 6: Final answer
x = 8,841,696.54
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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.