Finding the Fourth Proportional to 10,346,436.96, 14,273,138 and 8,038,805.28
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Solution
The fourth proportional to 10,346,436.96, 14,273,138 and 8,038,805.28 is: 11,089,709.20
Step by Step Solution
- Step 1: Write the proportion equation
10,346,436.96 : 14,273,138 = 8,038,805.28 : x - Step 2: Convert to fraction form
10,346,436.96/14,273,138 = 8,038,805.28/x - Step 3: Cross multiply
10,346,436.96x = 14,273,138 × 8,038,805.28 - Step 4: Simplify right side
10,346,436.96x = 114,738,977,116,568.64 - Step 5: Solve for x
x = 114,738,977,116,568.64/10,346,436.96 - Step 6: Final answer
x = 11,089,709.20
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.