Finding the Fourth Proportional to 13,167,386, 19,733,145.60 and 7,412,864.12
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Solution
The fourth proportional to 13,167,386, 19,733,145.60 and 7,412,864.12 is: 11,109,200.19
Step by Step Solution
- Step 1: Write the proportion equation
13,167,386 : 19,733,145.60 = 7,412,864.12 : x - Step 2: Convert to fraction form
13,167,386/19,733,145.60 = 7,412,864.12/x - Step 3: Cross multiply
13,167,386x = 19,733,145.60 × 7,412,864.12 - Step 4: Simplify right side
13,167,386x = 146,279,126,992,975.88 - Step 5: Solve for x
x = 146,279,126,992,975.88/13,167,386 - Step 6: Final answer
x = 11,109,200.19
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.