Finding the Fourth Proportional to 17,935,965.40, 26,908,218.90 and 5,805,431.08
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Solution
The fourth proportional to 17,935,965.40, 26,908,218.90 and 5,805,431.08 is: 8,709,528.97
Step by Step Solution
- Step 1: Write the proportion equation
17,935,965.40 : 26,908,218.90 = 5,805,431.08 : x - Step 2: Convert to fraction form
17,935,965.40/26,908,218.90 = 5,805,431.08/x - Step 3: Cross multiply
17,935,965.40x = 26,908,218.90 × 5,805,431.08 - Step 4: Simplify right side
17,935,965.40x = 156,213,810,309,503.41 - Step 5: Solve for x
x = 156,213,810,309,503.41/17,935,965.40 - Step 6: Final answer
x = 8,709,528.97
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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.