Finding the Fourth Proportional to 13,845,674.80, 19,119,286.86 and 8,627,588.48
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Solution
The fourth proportional to 13,845,674.80, 19,119,286.86 and 8,627,588.48 is: 11,913,708.90
Step by Step Solution
- Step 1: Write the proportion equation
13,845,674.80 : 19,119,286.86 = 8,627,588.48 : x - Step 2: Convert to fraction form
13,845,674.80/19,119,286.86 = 8,627,588.48/x - Step 3: Cross multiply
13,845,674.80x = 19,119,286.86 × 8,627,588.48 - Step 4: Simplify right side
13,845,674.80x = 164,953,339,059,151.38 - Step 5: Solve for x
x = 164,953,339,059,151.38/13,845,674.80 - Step 6: Final answer
x = 11,913,708.90
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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.