Finding the Fourth Proportional to 8,574,135.44, 12,844,387.67 and 4,972,335.53
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Solution
The fourth proportional to 8,574,135.44, 12,844,387.67 and 4,972,335.53 is: 7,448,751.61
Step by Step Solution
- Step 1: Write the proportion equation
8,574,135.44 : 12,844,387.67 = 4,972,335.53 : x - Step 2: Convert to fraction form
8,574,135.44/12,844,387.67 = 4,972,335.53/x - Step 3: Cross multiply
8,574,135.44x = 12,844,387.67 × 4,972,335.53 - Step 4: Simplify right side
8,574,135.44x = 63,866,605,083,551.30 - Step 5: Solve for x
x = 63,866,605,083,551.30/8,574,135.44 - Step 6: Final answer
x = 7,448,751.61
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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.