Finding the Fourth Proportional to 14,379,686.48, 19,844,457 and 8,504,357.12
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Solution
The fourth proportional to 14,379,686.48, 19,844,457 and 8,504,357.12 is: 11,736,302.42
Step by Step Solution
- Step 1: Write the proportion equation
14,379,686.48 : 19,844,457 = 8,504,357.12 : x - Step 2: Convert to fraction form
14,379,686.48/19,844,457 = 8,504,357.12/x - Step 3: Cross multiply
14,379,686.48x = 19,844,457 × 8,504,357.12 - Step 4: Simplify right side
14,379,686.48x = 168,764,349,180,483.81 - Step 5: Solve for x
x = 168,764,349,180,483.81/14,379,686.48 - Step 6: Final answer
x = 11,736,302.42
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.