Finding the Fourth Proportional to 13,187,677.14, 18,207,881.46 and 8,233,669.08
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Solution
The fourth proportional to 13,187,677.14, 18,207,881.46 and 8,233,669.08 is: 11,368,011.89
Step by Step Solution
- Step 1: Write the proportion equation
13,187,677.14 : 18,207,881.46 = 8,233,669.08 : x - Step 2: Convert to fraction form
13,187,677.14/18,207,881.46 = 8,233,669.08/x - Step 3: Cross multiply
13,187,677.14x = 18,207,881.46 × 8,233,669.08 - Step 4: Simplify right side
13,187,677.14x = 149,917,670,589,507.25 - Step 5: Solve for x
x = 149,917,670,589,507.25/13,187,677.14 - Step 6: Final answer
x = 11,368,011.89
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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.