Finding the Fourth Proportional to 8,211,652.92, 12,316,687.74 and 2,530,351.80
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Solution
The fourth proportional to 8,211,652.92, 12,316,687.74 and 2,530,351.80 is: 3,795,283.76
Step by Step Solution
- Step 1: Write the proportion equation
8,211,652.92 : 12,316,687.74 = 2,530,351.80 : x - Step 2: Convert to fraction form
8,211,652.92/12,316,687.74 = 2,530,351.80/x - Step 3: Cross multiply
8,211,652.92x = 12,316,687.74 × 2,530,351.80 - Step 4: Simplify right side
8,211,652.92x = 31,165,552,992,946.93 - Step 5: Solve for x
x = 31,165,552,992,946.93/8,211,652.92 - Step 6: Final answer
x = 3,795,283.76
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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.