Finding the Fourth Proportional to 16,662,538.28, 22,985,049.27 and 9,692,430.68
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Solution
The fourth proportional to 16,662,538.28, 22,985,049.27 and 9,692,430.68 is: 13,370,171.64
Step by Step Solution
- Step 1: Write the proportion equation
16,662,538.28 : 22,985,049.27 = 9,692,430.68 : x - Step 2: Convert to fraction form
16,662,538.28/22,985,049.27 = 9,692,430.68/x - Step 3: Cross multiply
16,662,538.28x = 22,985,049.27 × 9,692,430.68 - Step 4: Simplify right side
16,662,538.28x = 222,780,996,725,859.59 - Step 5: Solve for x
x = 222,780,996,725,859.59/16,662,538.28 - Step 6: Final answer
x = 13,370,171.64
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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.