Finding the Fourth Proportional to 10,362,830.44, 15,545,282.14 and 3,174,281.32
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Solution
The fourth proportional to 10,362,830.44, 15,545,282.14 and 3,174,281.32 is: 4,761,739.47
Step by Step Solution
- Step 1: Write the proportion equation
10,362,830.44 : 15,545,282.14 = 3,174,281.32 : x - Step 2: Convert to fraction form
10,362,830.44/15,545,282.14 = 3,174,281.32/x - Step 3: Cross multiply
10,362,830.44x = 15,545,282.14 × 3,174,281.32 - Step 4: Simplify right side
10,362,830.44x = 49,345,098,711,131.62 - Step 5: Solve for x
x = 49,345,098,711,131.62/10,362,830.44 - Step 6: Final answer
x = 4,761,739.47
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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.