Finding the Fourth Proportional to 38,378,670.76, 52,988,130.55 and 22,702,731.19
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Solution
The fourth proportional to 38,378,670.76, 52,988,130.55 and 22,702,731.19 is: 31,344,891.84
Step by Step Solution
- Step 1: Write the proportion equation
38,378,670.76 : 52,988,130.55 = 22,702,731.19 : x - Step 2: Convert to fraction form
38,378,670.76/52,988,130.55 = 22,702,731.19/x - Step 3: Cross multiply
38,378,670.76x = 52,988,130.55 × 22,702,731.19 - Step 4: Simplify right side
38,378,670.76x = 1,202,975,284,033,185 - Step 5: Solve for x
x = 1,202,975,284,033,185/38,378,670.76 - Step 6: Final answer
x = 31,344,891.84
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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.