Finding the Fourth Proportional to 8,357,034.36, 11,529,138.22 and 5,774,231.12
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Solution
The fourth proportional to 8,357,034.36, 11,529,138.22 and 5,774,231.12 is: 7,965,972.84
Step by Step Solution
- Step 1: Write the proportion equation
8,357,034.36 : 11,529,138.22 = 5,774,231.12 : x - Step 2: Convert to fraction form
8,357,034.36/11,529,138.22 = 5,774,231.12/x - Step 3: Cross multiply
8,357,034.36x = 11,529,138.22 × 5,774,231.12 - Step 4: Simplify right side
8,357,034.36x = 66,571,908,696,705.41 - Step 5: Solve for x
x = 66,571,908,696,705.41/8,357,034.36 - Step 6: Final answer
x = 7,965,972.84
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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.