Finding the Fourth Proportional to 45,662,621.88, 68,486,641.80 and 13,306,956.12
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Solution
The fourth proportional to 45,662,621.88, 68,486,641.80 and 13,306,956.12 is: 19,958,309.44
Step by Step Solution
- Step 1: Write the proportion equation
45,662,621.88 : 68,486,641.80 = 13,306,956.12 : x - Step 2: Convert to fraction form
45,662,621.88/68,486,641.80 = 13,306,956.12/x - Step 3: Cross multiply
45,662,621.88x = 68,486,641.80 × 13,306,956.12 - Step 4: Simplify right side
45,662,621.88x = 911,348,737,238,757.75 - Step 5: Solve for x
x = 911,348,737,238,757.75/45,662,621.88 - Step 6: Final answer
x = 19,958,309.44
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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.