Finding the Fourth Proportional to 40,974,170.88, 56,544,239.36 and 22,639,326.08
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Solution
The fourth proportional to 40,974,170.88, 56,544,239.36 and 22,639,326.08 is: 31,242,205.65
Step by Step Solution
- Step 1: Write the proportion equation
40,974,170.88 : 56,544,239.36 = 22,639,326.08 : x - Step 2: Convert to fraction form
40,974,170.88/56,544,239.36 = 22,639,326.08/x - Step 3: Cross multiply
40,974,170.88x = 56,544,239.36 × 22,639,326.08 - Step 4: Simplify right side
40,974,170.88x = 1,280,123,472,816,610.50 - Step 5: Solve for x
x = 1,280,123,472,816,610.50/40,974,170.88 - Step 6: Final answer
x = 31,242,205.65
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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.