Finding the Fourth Proportional to 45,662,647.23, 68,486,679.92 and 13,306,981.88
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Solution
The fourth proportional to 45,662,647.23, 68,486,679.92 and 13,306,981.88 is: 19,958,348.11
Step by Step Solution
- Step 1: Write the proportion equation
45,662,647.23 : 68,486,679.92 = 13,306,981.88 : x - Step 2: Convert to fraction form
45,662,647.23/68,486,679.92 = 13,306,981.88/x - Step 3: Cross multiply
45,662,647.23x = 68,486,679.92 × 13,306,981.88 - Step 4: Simplify right side
45,662,647.23x = 911,351,008,921,284 - Step 5: Solve for x
x = 911,351,008,921,284/45,662,647.23 - Step 6: Final answer
x = 19,958,348.11
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.