Finding the Fourth Proportional to 31,590,409, 47,385,613.50 and 7,655,881
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Solution
The fourth proportional to 31,590,409, 47,385,613.50 and 7,655,881 is: 11,483,821.50
Step by Step Solution
- Step 1: Write the proportion equation
31,590,409 : 47,385,613.50 = 7,655,881 : x - Step 2: Convert to fraction form
31,590,409/47,385,613.50 = 7,655,881/x - Step 3: Cross multiply
31,590,409x = 47,385,613.50 × 7,655,881 - Step 4: Simplify right side
31,590,409x = 362,778,618,067,993.50 - Step 5: Solve for x
x = 362,778,618,067,993.50/31,590,409 - Step 6: Final answer
x = 11,483,821.50
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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.