Finding the Fourth Proportional to 19,634,604.80, 29,441,409.60 and 8,262,204.80
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Solution
The fourth proportional to 19,634,604.80, 29,441,409.60 and 8,262,204.80 is: 12,388,889.83
Step by Step Solution
- Step 1: Write the proportion equation
19,634,604.80 : 29,441,409.60 = 8,262,204.80 : x - Step 2: Convert to fraction form
19,634,604.80/29,441,409.60 = 8,262,204.80/x - Step 3: Cross multiply
19,634,604.80x = 29,441,409.60 × 8,262,204.80 - Step 4: Simplify right side
19,634,604.80x = 243,250,955,715,886.09 - Step 5: Solve for x
x = 243,250,955,715,886.09/19,634,604.80 - Step 6: Final answer
x = 12,388,889.83
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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.