Finding the Fourth Proportional to 34,752,023.80, 52,128,035.70 and 15,840,791.80
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Solution
The fourth proportional to 34,752,023.80, 52,128,035.70 and 15,840,791.80 is: 23,761,187.70
Step by Step Solution
- Step 1: Write the proportion equation
34,752,023.80 : 52,128,035.70 = 15,840,791.80 : x - Step 2: Convert to fraction form
34,752,023.80/52,128,035.70 = 15,840,791.80/x - Step 3: Cross multiply
34,752,023.80x = 52,128,035.70 × 15,840,791.80 - Step 4: Simplify right side
34,752,023.80x = 825,749,360,466,667.38 - Step 5: Solve for x
x = 825,749,360,466,667.38/34,752,023.80 - Step 6: Final answer
x = 23,761,187.70
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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.