Finding the Fourth Proportional to 11,264,117.20, 16,896,175.80 and 6,486,542.80
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Solution
The fourth proportional to 11,264,117.20, 16,896,175.80 and 6,486,542.80 is: 9,729,814.20
Step by Step Solution
- Step 1: Write the proportion equation
11,264,117.20 : 16,896,175.80 = 6,486,542.80 : x - Step 2: Convert to fraction form
11,264,117.20/16,896,175.80 = 6,486,542.80/x - Step 3: Cross multiply
11,264,117.20x = 16,896,175.80 × 6,486,542.80 - Step 4: Simplify right side
11,264,117.20x = 109,597,767,483,024.23 - Step 5: Solve for x
x = 109,597,767,483,024.23/11,264,117.20 - Step 6: Final answer
x = 9,729,814.20
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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.