Finding the Fourth Proportional to 13,805,743.96, 20,708,615.94 and 4,221,122.68
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Solution
The fourth proportional to 13,805,743.96, 20,708,615.94 and 4,221,122.68 is: 6,331,684.02
Step by Step Solution
- Step 1: Write the proportion equation
13,805,743.96 : 20,708,615.94 = 4,221,122.68 : x - Step 2: Convert to fraction form
13,805,743.96/20,708,615.94 = 4,221,122.68/x - Step 3: Cross multiply
13,805,743.96x = 20,708,615.94 × 4,221,122.68 - Step 4: Simplify right side
13,805,743.96x = 87,413,608,415,743.52 - Step 5: Solve for x
x = 87,413,608,415,743.52/13,805,743.96 - Step 6: Final answer
x = 6,331,684.02
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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.