Finding the Fourth Proportional to 8,478,204.48, 11,699,812.08 and 4,610,643.28
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Solution
The fourth proportional to 8,478,204.48, 11,699,812.08 and 4,610,643.28 is: 6,362,627.85
Step by Step Solution
- Step 1: Write the proportion equation
8,478,204.48 : 11,699,812.08 = 4,610,643.28 : x - Step 2: Convert to fraction form
8,478,204.48/11,699,812.08 = 4,610,643.28/x - Step 3: Cross multiply
8,478,204.48x = 11,699,812.08 × 4,610,643.28 - Step 4: Simplify right side
8,478,204.48x = 53,943,659,943,914.83 - Step 5: Solve for x
x = 53,943,659,943,914.83/8,478,204.48 - Step 6: Final answer
x = 6,362,627.85
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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.