Finding the Fourth Proportional to 11,352,586.30, 15,679,601.70 and 8,268,848.26
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Solution
The fourth proportional to 11,352,586.30, 15,679,601.70 and 8,268,848.26 is: 11,420,503.12
Step by Step Solution
- Step 1: Write the proportion equation
11,352,586.30 : 15,679,601.70 = 8,268,848.26 : x - Step 2: Convert to fraction form
11,352,586.30/15,679,601.70 = 8,268,848.26/x - Step 3: Cross multiply
11,352,586.30x = 15,679,601.70 × 8,268,848.26 - Step 4: Simplify right side
11,352,586.30x = 129,652,247,234,538.03 - Step 5: Solve for x
x = 129,652,247,234,538.03/11,352,586.30 - Step 6: Final answer
x = 11,420,503.12
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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.