Finding the Fourth Proportional to 41,935,840.94, 57,889,316.04 and 28,192,776.68
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Solution
The fourth proportional to 41,935,840.94, 57,889,316.04 and 28,192,776.68 is: 38,918,035.81
Step by Step Solution
- Step 1: Write the proportion equation
41,935,840.94 : 57,889,316.04 = 28,192,776.68 : x - Step 2: Convert to fraction form
41,935,840.94/57,889,316.04 = 28,192,776.68/x - Step 3: Cross multiply
41,935,840.94x = 57,889,316.04 × 28,192,776.68 - Step 4: Simplify right side
41,935,840.94x = 1,632,060,559,273,662 - Step 5: Solve for x
x = 1,632,060,559,273,662/41,935,840.94 - Step 6: Final answer
x = 38,918,035.81
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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.