Finding the Fourth Proportional to 11,303,218.69, 15,597,970.91 and 6,408,771.62
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Solution
The fourth proportional to 11,303,218.69, 15,597,970.91 and 6,408,771.62 is: 8,843,837.85
Step by Step Solution
- Step 1: Write the proportion equation
11,303,218.69 : 15,597,970.91 = 6,408,771.62 : x - Step 2: Convert to fraction form
11,303,218.69/15,597,970.91 = 6,408,771.62/x - Step 3: Cross multiply
11,303,218.69x = 15,597,970.91 × 6,408,771.62 - Step 4: Simplify right side
11,303,218.69x = 99,963,833,235,625.66 - Step 5: Solve for x
x = 99,963,833,235,625.66/11,303,218.69 - Step 6: Final answer
x = 8,843,837.85
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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.