Finding the Fourth Proportional to 15,210,203.88, 22,815,344.70 and 3,850,653.72
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Solution
The fourth proportional to 15,210,203.88, 22,815,344.70 and 3,850,653.72 is: 5,775,990.42
Step by Step Solution
- Step 1: Write the proportion equation
15,210,203.88 : 22,815,344.70 = 3,850,653.72 : x - Step 2: Convert to fraction form
15,210,203.88/22,815,344.70 = 3,850,653.72/x - Step 3: Cross multiply
15,210,203.88x = 22,815,344.70 × 3,850,653.72 - Step 4: Simplify right side
15,210,203.88x = 87,853,991,942,137.28 - Step 5: Solve for x
x = 87,853,991,942,137.28/15,210,203.88 - Step 6: Final answer
x = 5,775,990.42
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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.