Finding the Fourth Proportional to 7,620,869.04, 11,476,923.51 and 6,940,624.56
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Solution
The fourth proportional to 7,620,869.04, 11,476,923.51 and 6,940,624.56 is: 10,452,484.72
Step by Step Solution
- Step 1: Write the proportion equation
7,620,869.04 : 11,476,923.51 = 6,940,624.56 : x - Step 2: Convert to fraction form
7,620,869.04/11,476,923.51 = 6,940,624.56/x - Step 3: Cross multiply
7,620,869.04x = 11,476,923.51 × 6,940,624.56 - Step 4: Simplify right side
7,620,869.04x = 79,657,017,186,747.41 - Step 5: Solve for x
x = 79,657,017,186,747.41/7,620,869.04 - Step 6: Final answer
x = 10,452,484.72
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.