Finding the Fourth Proportional to 12,995,230.08, 17,932,836.16 and 7,193,601.92
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Solution
The fourth proportional to 12,995,230.08, 17,932,836.16 and 7,193,601.92 is: 9,926,848.84
Step by Step Solution
- Step 1: Write the proportion equation
12,995,230.08 : 17,932,836.16 = 7,193,601.92 : x - Step 2: Convert to fraction form
12,995,230.08/17,932,836.16 = 7,193,601.92/x - Step 3: Cross multiply
12,995,230.08x = 17,932,836.16 × 7,193,601.92 - Step 4: Simplify right side
12,995,230.08x = 129,001,684,631,621.42 - Step 5: Solve for x
x = 129,001,684,631,621.42/12,995,230.08 - Step 6: Final answer
x = 9,926,848.84
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1.5x scale
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.