Finding the Fourth Proportional to 7,442,131.68, 11,146,922.01 and 5,276,592.68
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Solution
The fourth proportional to 7,442,131.68, 11,146,922.01 and 5,276,592.68 is: 7,903,349.41
Step by Step Solution
- Step 1: Write the proportion equation
7,442,131.68 : 11,146,922.01 = 5,276,592.68 : x - Step 2: Convert to fraction form
7,442,131.68/11,146,922.01 = 5,276,592.68/x - Step 3: Cross multiply
7,442,131.68x = 11,146,922.01 × 5,276,592.68 - Step 4: Simplify right side
7,442,131.68x = 58,817,767,026,762.27 - Step 5: Solve for x
x = 58,817,767,026,762.27/7,442,131.68 - Step 6: Final answer
x = 7,903,349.41
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.