Finding the Fourth Proportional to 49,749,387.66, 68,659,713.45 and 27,724,897.98
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Solution
The fourth proportional to 49,749,387.66, 68,659,713.45 and 27,724,897.98 is: 38,263,456.90
Step by Step Solution
- Step 1: Write the proportion equation
49,749,387.66 : 68,659,713.45 = 27,724,897.98 : x - Step 2: Convert to fraction form
49,749,387.66/68,659,713.45 = 27,724,897.98/x - Step 3: Cross multiply
49,749,387.66x = 68,659,713.45 × 27,724,897.98 - Step 4: Simplify right side
49,749,387.66x = 1,903,583,550,737,284 - Step 5: Solve for x
x = 1,903,583,550,737,284/49,749,387.66 - Step 6: Final answer
x = 38,263,456.90
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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.