Finding the Fourth Proportional to 11,393,680.28, 15,723,277.62 and 6,237,045.32
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Solution
The fourth proportional to 11,393,680.28, 15,723,277.62 and 6,237,045.32 is: 8,607,121.90
Step by Step Solution
- Step 1: Write the proportion equation
11,393,680.28 : 15,723,277.62 = 6,237,045.32 : x - Step 2: Convert to fraction form
11,393,680.28/15,723,277.62 = 6,237,045.32/x - Step 3: Cross multiply
11,393,680.28x = 15,723,277.62 × 6,237,045.32 - Step 4: Simplify right side
11,393,680.28x = 98,066,795,094,881.73 - Step 5: Solve for x
x = 98,066,795,094,881.73/11,393,680.28 - Step 6: Final answer
x = 8,607,121.90
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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.