Finding the Fourth Proportional to 10,976,427.40, 16,464,641.10 and 7,393,246.60
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Solution
The fourth proportional to 10,976,427.40, 16,464,641.10 and 7,393,246.60 is: 11,089,869.90
Step by Step Solution
- Step 1: Write the proportion equation
10,976,427.40 : 16,464,641.10 = 7,393,246.60 : x - Step 2: Convert to fraction form
10,976,427.40/16,464,641.10 = 7,393,246.60/x - Step 3: Cross multiply
10,976,427.40x = 16,464,641.10 × 7,393,246.60 - Step 4: Simplify right side
10,976,427.40x = 121,727,151,832,795.25 - Step 5: Solve for x
x = 121,727,151,832,795.25/10,976,427.40 - Step 6: Final answer
x = 11,089,869.90
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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.