Finding the Fourth Proportional to 7,926,900.44, 10,939,178.59 and 4,305,228.44
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Solution
The fourth proportional to 7,926,900.44, 10,939,178.59 and 4,305,228.44 is: 5,941,245.65
Step by Step Solution
- Step 1: Write the proportion equation
7,926,900.44 : 10,939,178.59 = 4,305,228.44 : x - Step 2: Convert to fraction form
7,926,900.44/10,939,178.59 = 4,305,228.44/x - Step 3: Cross multiply
7,926,900.44x = 10,939,178.59 × 4,305,228.44 - Step 4: Simplify right side
7,926,900.44x = 47,095,662,710,448.13 - Step 5: Solve for x
x = 47,095,662,710,448.13/7,926,900.44 - Step 6: Final answer
x = 5,941,245.65
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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.