Finding the Fourth Proportional to 11,628,218.63, 16,046,941.93 and 6,472,798.07
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Solution
The fourth proportional to 11,628,218.63, 16,046,941.93 and 6,472,798.07 is: 8,932,461.45
Step by Step Solution
- Step 1: Write the proportion equation
11,628,218.63 : 16,046,941.93 = 6,472,798.07 : x - Step 2: Convert to fraction form
11,628,218.63/16,046,941.93 = 6,472,798.07/x - Step 3: Cross multiply
11,628,218.63x = 16,046,941.93 × 6,472,798.07 - Step 4: Simplify right side
11,628,218.63x = 103,868,614,657,489.38 - Step 5: Solve for x
x = 103,868,614,657,489.38/11,628,218.63 - Step 6: Final answer
x = 8,932,461.45
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1.5x scale
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.