Finding the Fourth Proportional to 12,409,701.68, 18,614,557.92 and 3,890,702.48
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Solution
The fourth proportional to 12,409,701.68, 18,614,557.92 and 3,890,702.48 is: 5,836,055.41
Step by Step Solution
- Step 1: Write the proportion equation
12,409,701.68 : 18,614,557.92 = 3,890,702.48 : x - Step 2: Convert to fraction form
12,409,701.68/18,614,557.92 = 3,890,702.48/x - Step 3: Cross multiply
12,409,701.68x = 18,614,557.92 × 3,890,702.48 - Step 4: Simplify right side
12,409,701.68x = 72,423,706,663,447.64 - Step 5: Solve for x
x = 72,423,706,663,447.64/12,409,701.68 - Step 6: Final answer
x = 5,836,055.41
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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.