Finding the Fourth Proportional to 11,509,429.79, 15,883,014.49 and 6,352,792.71
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Solution
The fourth proportional to 11,509,429.79, 15,883,014.49 and 6,352,792.71 is: 8,766,854.69
Step by Step Solution
- Step 1: Write the proportion equation
11,509,429.79 : 15,883,014.49 = 6,352,792.71 : x - Step 2: Convert to fraction form
11,509,429.79/15,883,014.49 = 6,352,792.71/x - Step 3: Cross multiply
11,509,429.79x = 15,883,014.49 × 6,352,792.71 - Step 4: Simplify right side
11,509,429.79x = 100,901,498,589,453.08 - Step 5: Solve for x
x = 100,901,498,589,453.08/11,509,429.79 - Step 6: Final answer
x = 8,766,854.69
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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.