Finding the Fourth Proportional to 19,453,841.48, 29,181,356.70 and 6,674,166.92
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Solution
The fourth proportional to 19,453,841.48, 29,181,356.70 and 6,674,166.92 is: 10,011,454.33
Step by Step Solution
- Step 1: Write the proportion equation
19,453,841.48 : 29,181,356.70 = 6,674,166.92 : x - Step 2: Convert to fraction form
19,453,841.48/29,181,356.70 = 6,674,166.92/x - Step 3: Cross multiply
19,453,841.48x = 29,181,356.70 × 6,674,166.92 - Step 4: Simplify right side
19,453,841.48x = 194,761,245,567,860.34 - Step 5: Solve for x
x = 194,761,245,567,860.34/19,453,841.48 - Step 6: Final answer
x = 10,011,454.33
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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.