Finding the Fourth Proportional to 18,875,670.17, 28,175,705.75 and 16,197,207.53
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Solution
The fourth proportional to 18,875,670.17, 28,175,705.75 and 16,197,207.53 is: 24,177,565.58
Step by Step Solution
- Step 1: Write the proportion equation
18,875,670.17 : 28,175,705.75 = 16,197,207.53 : x - Step 2: Convert to fraction form
18,875,670.17/28,175,705.75 = 16,197,207.53/x - Step 3: Cross multiply
18,875,670.17x = 28,175,705.75 × 16,197,207.53 - Step 4: Simplify right side
18,875,670.17x = 456,367,753,236,578.81 - Step 5: Solve for x
x = 456,367,753,236,578.81/18,875,670.17 - Step 6: Final answer
x = 24,177,565.58
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.