Finding the Fourth Proportional to 8,235,287.34, 11,358,069.88 and 7,239,726.48
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Solution
The fourth proportional to 8,235,287.34, 11,358,069.88 and 7,239,726.48 is: 9,984,996.99
Step by Step Solution
- Step 1: Write the proportion equation
8,235,287.34 : 11,358,069.88 = 7,239,726.48 : x - Step 2: Convert to fraction form
8,235,287.34/11,358,069.88 = 7,239,726.48/x - Step 3: Cross multiply
8,235,287.34x = 11,358,069.88 × 7,239,726.48 - Step 4: Simplify right side
8,235,287.34x = 82,229,319,271,926.44 - Step 5: Solve for x
x = 82,229,319,271,926.44/8,235,287.34 - Step 6: Final answer
x = 9,984,996.99
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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.