Finding the Fourth Proportional to 16,204,743.36, 22,361,146.65 and 9,139,947.62
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Solution
The fourth proportional to 16,204,743.36, 22,361,146.65 and 9,139,947.62 is: 12,612,338.53
Step by Step Solution
- Step 1: Write the proportion equation
16,204,743.36 : 22,361,146.65 = 9,139,947.62 : x - Step 2: Convert to fraction form
16,204,743.36/22,361,146.65 = 9,139,947.62/x - Step 3: Cross multiply
16,204,743.36x = 22,361,146.65 × 9,139,947.62 - Step 4: Simplify right side
16,204,743.36x = 204,379,708,992,332.72 - Step 5: Solve for x
x = 204,379,708,992,332.72/16,204,743.36 - Step 6: Final answer
x = 12,612,338.53
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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.