Finding the Fourth Proportional to 18,957,813.48, 26,162,524.35 and 11,116,235.88
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Solution
The fourth proportional to 18,957,813.48, 26,162,524.35 and 11,116,235.88 is: 15,340,840.45
Step by Step Solution
- Step 1: Write the proportion equation
18,957,813.48 : 26,162,524.35 = 11,116,235.88 : x - Step 2: Convert to fraction form
18,957,813.48/26,162,524.35 = 11,116,235.88/x - Step 3: Cross multiply
18,957,813.48x = 26,162,524.35 × 11,116,235.88 - Step 4: Simplify right side
18,957,813.48x = 290,828,791,890,843.69 - Step 5: Solve for x
x = 290,828,791,890,843.69/18,957,813.48 - Step 6: Final answer
x = 15,340,840.45
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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.