Finding the Fourth Proportional to 16,543,486.40, 24,816,007.20 and 5,184,305.60
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Solution
The fourth proportional to 16,543,486.40, 24,816,007.20 and 5,184,305.60 is: 7,776,702.08
Step by Step Solution
- Step 1: Write the proportion equation
16,543,486.40 : 24,816,007.20 = 5,184,305.60 : x - Step 2: Convert to fraction form
16,543,486.40/24,816,007.20 = 5,184,305.60/x - Step 3: Cross multiply
16,543,486.40x = 24,816,007.20 × 5,184,305.60 - Step 4: Simplify right side
16,543,486.40x = 128,653,765,096,600.31 - Step 5: Solve for x
x = 128,653,765,096,600.31/16,543,486.40 - Step 6: Final answer
x = 7,776,702.08
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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.