Finding the Fourth Proportional to 18,292,484.88, 27,449,356.14 and 8,195,105.88
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Solution
The fourth proportional to 18,292,484.88, 27,449,356.14 and 8,195,105.88 is: 12,297,420.57
Step by Step Solution
- Step 1: Write the proportion equation
18,292,484.88 : 27,449,356.14 = 8,195,105.88 : x - Step 2: Convert to fraction form
18,292,484.88/27,449,356.14 = 8,195,105.88/x - Step 3: Cross multiply
18,292,484.88x = 27,449,356.14 × 8,195,105.88 - Step 4: Simplify right side
18,292,484.88x = 224,950,379,905,128.09 - Step 5: Solve for x
x = 224,950,379,905,128.09/18,292,484.88 - Step 6: Final answer
x = 12,297,420.57
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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.