Finding the Fourth Proportional to 11,873,684.71, 16,385,716.47 and 6,441,176.71
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Solution
The fourth proportional to 11,873,684.71, 16,385,716.47 and 6,441,176.71 is: 8,888,840.99
Step by Step Solution
- Step 1: Write the proportion equation
11,873,684.71 : 16,385,716.47 = 6,441,176.71 : x - Step 2: Convert to fraction form
11,873,684.71/16,385,716.47 = 6,441,176.71/x - Step 3: Cross multiply
11,873,684.71x = 16,385,716.47 × 6,441,176.71 - Step 4: Simplify right side
11,873,684.71x = 105,543,295,303,227.42 - Step 5: Solve for x
x = 105,543,295,303,227.42/11,873,684.71 - Step 6: Final answer
x = 8,888,840.99
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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.