Finding the Fourth Proportional to 8,119,736.80, 11,203,812.47 and 4,633,483.84
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Solution
The fourth proportional to 8,119,736.80, 11,203,812.47 and 4,633,483.84 is: 6,393,394.92
Step by Step Solution
- Step 1: Write the proportion equation
8,119,736.80 : 11,203,812.47 = 4,633,483.84 : x - Step 2: Convert to fraction form
8,119,736.80/11,203,812.47 = 4,633,483.84/x - Step 3: Cross multiply
8,119,736.80x = 11,203,812.47 × 4,633,483.84 - Step 4: Simplify right side
8,119,736.80x = 51,912,684,009,709.67 - Step 5: Solve for x
x = 51,912,684,009,709.67/8,119,736.80 - Step 6: Final answer
x = 6,393,394.92
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1.5x scale
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.