Finding the Fourth Proportional to 10,132,416.54, 13,982,629.95 and 5,486,121.66
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Solution
The fourth proportional to 10,132,416.54, 13,982,629.95 and 5,486,121.66 is: 7,570,791.11
Step by Step Solution
- Step 1: Write the proportion equation
10,132,416.54 : 13,982,629.95 = 5,486,121.66 : x - Step 2: Convert to fraction form
10,132,416.54/13,982,629.95 = 5,486,121.66/x - Step 3: Cross multiply
10,132,416.54x = 13,982,629.95 × 5,486,121.66 - Step 4: Simplify right side
10,132,416.54x = 76,710,409,032,459.72 - Step 5: Solve for x
x = 76,710,409,032,459.72/10,132,416.54 - Step 6: Final answer
x = 7,570,791.11
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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.