Finding the Fourth Proportional to 7,344,794.06, 10,125,133.20 and 5,132,789.40
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Solution
The fourth proportional to 7,344,794.06, 10,125,133.20 and 5,132,789.40 is: 7,075,784.01
Step by Step Solution
- Step 1: Write the proportion equation
7,344,794.06 : 10,125,133.20 = 5,132,789.40 : x - Step 2: Convert to fraction form
7,344,794.06/10,125,133.20 = 5,132,789.40/x - Step 3: Cross multiply
7,344,794.06x = 10,125,133.20 × 5,132,789.40 - Step 4: Simplify right side
7,344,794.06x = 51,970,176,311,922.41 - Step 5: Solve for x
x = 51,970,176,311,922.41/7,344,794.06 - Step 6: Final answer
x = 7,075,784.01
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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.