Finding the Fourth Proportional to 57,132,471.84, 85,701,946.54 and 18,274,336.98
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Solution
The fourth proportional to 57,132,471.84, 85,701,946.54 and 18,274,336.98 is: 27,412,541.42
Step by Step Solution
- Step 1: Write the proportion equation
57,132,471.84 : 85,701,946.54 = 18,274,336.98 : x - Step 2: Convert to fraction form
57,132,471.84/85,701,946.54 = 18,274,336.98/x - Step 3: Cross multiply
57,132,471.84x = 85,701,946.54 × 18,274,336.98 - Step 4: Simplify right side
57,132,471.84x = 1,566,146,250,913,905.25 - Step 5: Solve for x
x = 1,566,146,250,913,905.25/57,132,471.84 - Step 6: Final answer
x = 27,412,541.42
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.