Finding the Fourth Proportional to 18,528,927.68, 25,570,939.84 and 10,268,818.08
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Solution
The fourth proportional to 18,528,927.68, 25,570,939.84 and 10,268,818.08 is: 14,171,534.04
Step by Step Solution
- Step 1: Write the proportion equation
18,528,927.68 : 25,570,939.84 = 10,268,818.08 : x - Step 2: Convert to fraction form
18,528,927.68/25,570,939.84 = 10,268,818.08/x - Step 3: Cross multiply
18,528,927.68x = 25,570,939.84 × 10,268,818.08 - Step 4: Simplify right side
18,528,927.68x = 262,583,329,351,584.31 - Step 5: Solve for x
x = 262,583,329,351,584.31/18,528,927.68 - Step 6: Final answer
x = 14,171,534.04
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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.