Finding the Fourth Proportional to 18,268,251.19, 25,210,177.91 and 10,926,084.18
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Solution
The fourth proportional to 18,268,251.19, 25,210,177.91 and 10,926,084.18 is: 15,077,990.95
Step by Step Solution
- Step 1: Write the proportion equation
18,268,251.19 : 25,210,177.91 = 10,926,084.18 : x - Step 2: Convert to fraction form
18,268,251.19/25,210,177.91 = 10,926,084.18/x - Step 3: Cross multiply
18,268,251.19x = 25,210,177.91 × 10,926,084.18 - Step 4: Simplify right side
18,268,251.19x = 275,448,526,037,436.47 - Step 5: Solve for x
x = 275,448,526,037,436.47/18,268,251.19 - Step 6: Final answer
x = 15,077,990.95
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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.