Finding the Fourth Proportional to 12,845,103.36, 17,726,485.86 and 7,043,539.08
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Solution
The fourth proportional to 12,845,103.36, 17,726,485.86 and 7,043,539.08 is: 9,720,217.30
Step by Step Solution
- Step 1: Write the proportion equation
12,845,103.36 : 17,726,485.86 = 7,043,539.08 : x - Step 2: Convert to fraction form
12,845,103.36/17,726,485.86 = 7,043,539.08/x - Step 3: Cross multiply
12,845,103.36x = 17,726,485.86 × 7,043,539.08 - Step 4: Simplify right side
12,845,103.36x = 124,857,195,905,977.41 - Step 5: Solve for x
x = 124,857,195,905,977.41/12,845,103.36 - Step 6: Final answer
x = 9,720,217.30
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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.