Finding the Fourth Proportional to 19,586,412.18, 29,379,580.56 and 5,209,495.11
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Solution
The fourth proportional to 19,586,412.18, 29,379,580.56 and 5,209,495.11 is: 7,814,232.64
Step by Step Solution
- Step 1: Write the proportion equation
19,586,412.18 : 29,379,580.56 = 5,209,495.11 : x - Step 2: Convert to fraction form
19,586,412.18/29,379,580.56 = 5,209,495.11/x - Step 3: Cross multiply
19,586,412.18x = 29,379,580.56 × 5,209,495.11 - Step 4: Simplify right side
19,586,412.18x = 153,052,781,261,171.06 - Step 5: Solve for x
x = 153,052,781,261,171.06/19,586,412.18 - Step 6: Final answer
x = 7,814,232.64
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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.