Finding the Fourth Proportional to 11,451,728.43, 15,803,582.36 and 6,295,307.31
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Solution
The fourth proportional to 11,451,728.43, 15,803,582.36 and 6,295,307.31 is: 8,687,632.45
Step by Step Solution
- Step 1: Write the proportion equation
11,451,728.43 : 15,803,582.36 = 6,295,307.31 : x - Step 2: Convert to fraction form
11,451,728.43/15,803,582.36 = 6,295,307.31/x - Step 3: Cross multiply
11,451,728.43x = 15,803,582.36 × 6,295,307.31 - Step 4: Simplify right side
11,451,728.43x = 99,488,407,523,618.52 - Step 5: Solve for x
x = 99,488,407,523,618.52/11,451,728.43 - Step 6: Final answer
x = 8,687,632.45
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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.