Finding the Fourth Proportional to 13,341,853.12, 18,413,732.04 and 8,447,529.37
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Solution
The fourth proportional to 13,341,853.12, 18,413,732.04 and 8,447,529.37 is: 11,658,840.85
Step by Step Solution
- Step 1: Write the proportion equation
13,341,853.12 : 18,413,732.04 = 8,447,529.37 : x - Step 2: Convert to fraction form
13,341,853.12/18,413,732.04 = 8,447,529.37/x - Step 3: Cross multiply
13,341,853.12x = 18,413,732.04 × 8,447,529.37 - Step 4: Simplify right side
13,341,853.12x = 155,550,542,219,210 - Step 5: Solve for x
x = 155,550,542,219,210/13,341,853.12 - Step 6: Final answer
x = 11,658,840.85
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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.