Finding the Fourth Proportional to 13,985,914.24, 19,299,385.92 and 8,552,356.48
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Solution
The fourth proportional to 13,985,914.24, 19,299,385.92 and 8,552,356.48 is: 11,801,532.99
Step by Step Solution
- Step 1: Write the proportion equation
13,985,914.24 : 19,299,385.92 = 8,552,356.48 : x - Step 2: Convert to fraction form
13,985,914.24/19,299,385.92 = 8,552,356.48/x - Step 3: Cross multiply
13,985,914.24x = 19,299,385.92 × 8,552,356.48 - Step 4: Simplify right side
13,985,914.24x = 165,055,228,232,932.78 - Step 5: Solve for x
x = 165,055,228,232,932.78/13,985,914.24 - Step 6: Final answer
x = 11,801,532.99
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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.