Finding the Fourth Proportional to 19,453,412.49, 29,190,212.34 and 8,668,204.87
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Solution
The fourth proportional to 19,453,412.49, 29,190,212.34 and 8,668,204.87 is: 13,006,804.89
Step by Step Solution
- Step 1: Write the proportion equation
19,453,412.49 : 29,190,212.34 = 8,668,204.87 : x - Step 2: Convert to fraction form
19,453,412.49/29,190,212.34 = 8,668,204.87/x - Step 3: Cross multiply
19,453,412.49x = 29,190,212.34 × 8,668,204.87 - Step 4: Simplify right side
19,453,412.49x = 253,026,740,761,922.06 - Step 5: Solve for x
x = 253,026,740,761,922.06/19,453,412.49 - Step 6: Final answer
x = 13,006,804.89
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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.