Finding the Fourth Proportional to 18,536,408.58, 27,804,557.25 and 4,703,340.54
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Solution
The fourth proportional to 18,536,408.58, 27,804,557.25 and 4,703,340.54 is: 7,054,996.70
Step by Step Solution
- Step 1: Write the proportion equation
18,536,408.58 : 27,804,557.25 = 4,703,340.54 : x - Step 2: Convert to fraction form
18,536,408.58/27,804,557.25 = 4,703,340.54/x - Step 3: Cross multiply
18,536,408.58x = 27,804,557.25 × 4,703,340.54 - Step 4: Simplify right side
18,536,408.58x = 130,774,301,310,675.92 - Step 5: Solve for x
x = 130,774,301,310,675.92/18,536,408.58 - Step 6: Final answer
x = 7,054,996.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.