Finding the Fourth Proportional to 16,198,483.40, 24,325,718.70 and 8,640,211.40
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Solution
The fourth proportional to 16,198,483.40, 24,325,718.70 and 8,640,211.40 is: 12,975,248.78
Step by Step Solution
- Step 1: Write the proportion equation
16,198,483.40 : 24,325,718.70 = 8,640,211.40 : x - Step 2: Convert to fraction form
16,198,483.40/24,325,718.70 = 8,640,211.40/x - Step 3: Cross multiply
16,198,483.40x = 24,325,718.70 × 8,640,211.40 - Step 4: Simplify right side
16,198,483.40x = 210,179,352,024,933.19 - Step 5: Solve for x
x = 210,179,352,024,933.19/16,198,483.40 - Step 6: Final answer
x = 12,975,248.78
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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.