Finding the Fourth Proportional to 47,765,570.40, 65,916,504.88 and 27,139,043.68
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Solution
The fourth proportional to 47,765,570.40, 65,916,504.88 and 27,139,043.68 is: 37,451,890.35
Step by Step Solution
- Step 1: Write the proportion equation
47,765,570.40 : 65,916,504.88 = 27,139,043.68 : x - Step 2: Convert to fraction form
47,765,570.40/65,916,504.88 = 27,139,043.68/x - Step 3: Cross multiply
47,765,570.40x = 65,916,504.88 × 27,139,043.68 - Step 4: Simplify right side
47,765,570.40x = 1,788,910,905,171,253.25 - Step 5: Solve for x
x = 1,788,910,905,171,253.25/47,765,570.40 - Step 6: Final answer
x = 37,451,890.35
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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.