Finding the Fourth Proportional to 48,699,383.49, 67,206,237.11 and 27,790,999.95
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Solution
The fourth proportional to 48,699,383.49, 67,206,237.11 and 27,790,999.95 is: 38,352,200.75
Step by Step Solution
- Step 1: Write the proportion equation
48,699,383.49 : 67,206,237.11 = 27,790,999.95 : x - Step 2: Convert to fraction form
48,699,383.49/67,206,237.11 = 27,790,999.95/x - Step 3: Cross multiply
48,699,383.49x = 67,206,237.11 × 27,790,999.95 - Step 4: Simplify right side
48,699,383.49x = 1,867,728,532,159,272 - Step 5: Solve for x
x = 1,867,728,532,159,272/48,699,383.49 - Step 6: Final answer
x = 38,352,200.75
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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.