Finding the Fourth Proportional to 18,400,501.44, 27,565,377.36 and 10,288,874.70
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Solution
The fourth proportional to 18,400,501.44, 27,565,377.36 and 10,288,874.70 is: 15,413,531.78
Step by Step Solution
- Step 1: Write the proportion equation
18,400,501.44 : 27,565,377.36 = 10,288,874.70 : x - Step 2: Convert to fraction form
18,400,501.44/27,565,377.36 = 10,288,874.70/x - Step 3: Cross multiply
18,400,501.44x = 27,565,377.36 × 10,288,874.70 - Step 4: Simplify right side
18,400,501.44x = 283,616,713,715,256.75 - Step 5: Solve for x
x = 283,616,713,715,256.75/18,400,501.44 - Step 6: Final answer
x = 15,413,531.78
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.