Finding the Fourth Proportional to 38,998,263.94, 53,816,946.71 and 21,594,235.49
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Solution
The fourth proportional to 38,998,263.94, 53,816,946.71 and 21,594,235.49 is: 29,799,680.89
Step by Step Solution
- Step 1: Write the proportion equation
38,998,263.94 : 53,816,946.71 = 21,594,235.49 : x - Step 2: Convert to fraction form
38,998,263.94/53,816,946.71 = 21,594,235.49/x - Step 3: Cross multiply
38,998,263.94x = 53,816,946.71 × 21,594,235.49 - Step 4: Simplify right side
38,998,263.94x = 1,162,135,820,608,520.75 - Step 5: Solve for x
x = 1,162,135,820,608,520.75/38,998,263.94 - Step 6: Final answer
x = 29,799,680.89
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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.