Finding the Fourth Proportional to 19,957,243.58, 27,539,346.60 and 11,257,554.41
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Solution
The fourth proportional to 19,957,243.58, 27,539,346.60 and 11,257,554.41 is: 15,534,494.61
Step by Step Solution
- Step 1: Write the proportion equation
19,957,243.58 : 27,539,346.60 = 11,257,554.41 : x - Step 2: Convert to fraction form
19,957,243.58/27,539,346.60 = 11,257,554.41/x - Step 3: Cross multiply
19,957,243.58x = 27,539,346.60 × 11,257,554.41 - Step 4: Simplify right side
19,957,243.58x = 310,025,692,765,348.50 - Step 5: Solve for x
x = 310,025,692,765,348.50/19,957,243.58 - Step 6: Final answer
x = 15,534,494.61
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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.