Finding the Fourth Proportional to 7,442,133.18, 11,146,924.26 and 5,276,594.18
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Solution
The fourth proportional to 7,442,133.18, 11,146,924.26 and 5,276,594.18 is: 7,903,351.67
Step by Step Solution
- Step 1: Write the proportion equation
7,442,133.18 : 11,146,924.26 = 5,276,594.18 : x - Step 2: Convert to fraction form
7,442,133.18/11,146,924.26 = 5,276,594.18/x - Step 3: Cross multiply
7,442,133.18x = 11,146,924.26 × 5,276,594.18 - Step 4: Simplify right side
7,442,133.18x = 58,817,795,675,216.80 - Step 5: Solve for x
x = 58,817,795,675,216.80/7,442,133.18 - Step 6: Final answer
x = 7,903,351.67
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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.