Finding the Fourth Proportional to 11,823,712.68, 16,316,716.26 and 6,391,204.68
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Solution
The fourth proportional to 11,823,712.68, 16,316,716.26 and 6,391,204.68 is: 8,819,858.55
Step by Step Solution
- Step 1: Write the proportion equation
11,823,712.68 : 16,316,716.26 = 6,391,204.68 : x - Step 2: Convert to fraction form
11,823,712.68/16,316,716.26 = 6,391,204.68/x - Step 3: Cross multiply
11,823,712.68x = 16,316,716.26 × 6,391,204.68 - Step 4: Simplify right side
11,823,712.68x = 104,283,473,323,144.09 - Step 5: Solve for x
x = 104,283,473,323,144.09/11,823,712.68 - Step 6: Final answer
x = 8,819,858.55
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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.