Finding the Fourth Proportional to 25,591,456.28, 38,387,184.57 and 8,552,129.19
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Solution
The fourth proportional to 25,591,456.28, 38,387,184.57 and 8,552,129.19 is: 12,828,193.84
Step by Step Solution
- Step 1: Write the proportion equation
25,591,456.28 : 38,387,184.57 = 8,552,129.19 : x - Step 2: Convert to fraction form
25,591,456.28/38,387,184.57 = 8,552,129.19/x - Step 3: Cross multiply
25,591,456.28x = 38,387,184.57 × 8,552,129.19 - Step 4: Simplify right side
25,591,456.28x = 328,292,161,683,014.56 - Step 5: Solve for x
x = 328,292,161,683,014.56/25,591,456.28 - Step 6: Final answer
x = 12,828,193.84
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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.