Finding the Fourth Proportional to 27,658,297.58, 38,167,450.20 and 15,268,125.04
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Solution
The fourth proportional to 27,658,297.58, 38,167,450.20 and 15,268,125.04 is: 21,069,460.27
Step by Step Solution
- Step 1: Write the proportion equation
27,658,297.58 : 38,167,450.20 = 15,268,125.04 : x - Step 2: Convert to fraction form
27,658,297.58/38,167,450.20 = 15,268,125.04/x - Step 3: Cross multiply
27,658,297.58x = 38,167,450.20 × 15,268,125.04 - Step 4: Simplify right side
27,658,297.58x = 582,745,402,016,154.38 - Step 5: Solve for x
x = 582,745,402,016,154.38/27,658,297.58 - Step 6: Final answer
x = 21,069,460.27
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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.