Finding the Fourth Proportional to 38,600,602.56, 57,902,765.94 and 12,692,330.28
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Solution
The fourth proportional to 38,600,602.56, 57,902,765.94 and 12,692,330.28 is: 19,039,107.70
Step by Step Solution
- Step 1: Write the proportion equation
38,600,602.56 : 57,902,765.94 = 12,692,330.28 : x - Step 2: Convert to fraction form
38,600,602.56/57,902,765.94 = 12,692,330.28/x - Step 3: Cross multiply
38,600,602.56x = 57,902,765.94 × 12,692,330.28 - Step 4: Simplify right side
38,600,602.56x = 734,921,029,436,014.62 - Step 5: Solve for x
x = 734,921,029,436,014.62/38,600,602.56 - Step 6: Final answer
x = 19,039,107.70
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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.