Finding the Fourth Proportional to 8,586,990.09, 11,850,072.05 and 4,719,907.53
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Solution
The fourth proportional to 8,586,990.09, 11,850,072.05 and 4,719,907.53 is: 6,513,486.53
Step by Step Solution
- Step 1: Write the proportion equation
8,586,990.09 : 11,850,072.05 = 4,719,907.53 : x - Step 2: Convert to fraction form
8,586,990.09/11,850,072.05 = 4,719,907.53/x - Step 3: Cross multiply
8,586,990.09x = 11,850,072.05 × 4,719,907.53 - Step 4: Simplify right side
8,586,990.09x = 55,931,244,311,637.31 - Step 5: Solve for x
x = 55,931,244,311,637.31/8,586,990.09 - Step 6: Final answer
x = 6,513,486.53
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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.