Finding the Fourth Proportional to 14,268,540.65, 21,409,809.37 and 6,696,122.09
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Solution
The fourth proportional to 14,268,540.65, 21,409,809.37 and 6,696,122.09 is: 10,047,467.43
Step by Step Solution
- Step 1: Write the proportion equation
14,268,540.65 : 21,409,809.37 = 6,696,122.09 : x - Step 2: Convert to fraction form
14,268,540.65/21,409,809.37 = 6,696,122.09/x - Step 3: Cross multiply
14,268,540.65x = 21,409,809.37 × 6,696,122.09 - Step 4: Simplify right side
14,268,540.65x = 143,362,697,341,356.62 - Step 5: Solve for x
x = 143,362,697,341,356.62/14,268,540.65 - Step 6: Final answer
x = 10,047,467.43
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.