Finding the Fourth Proportional to 10,238,828.39, 14,129,489.81 and 5,592,612.68
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Solution
The fourth proportional to 10,238,828.39, 14,129,489.81 and 5,592,612.68 is: 7,717,754.50
Step by Step Solution
- Step 1: Write the proportion equation
10,238,828.39 : 14,129,489.81 = 5,592,612.68 : x - Step 2: Convert to fraction form
10,238,828.39/14,129,489.81 = 5,592,612.68/x - Step 3: Cross multiply
10,238,828.39x = 14,129,489.81 × 5,592,612.68 - Step 4: Simplify right side
10,238,828.39x = 79,020,763,816,670.88 - Step 5: Solve for x
x = 79,020,763,816,670.88/10,238,828.39 - Step 6: Final answer
x = 7,717,754.50
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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.