Finding the Fourth Proportional to 11,778,824.21, 17,668,629.98 and 3,258,447.17
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Solution
The fourth proportional to 11,778,824.21, 17,668,629.98 and 3,258,447.17 is: 4,887,779.66
Step by Step Solution
- Step 1: Write the proportion equation
11,778,824.21 : 17,668,629.98 = 3,258,447.17 : x - Step 2: Convert to fraction form
11,778,824.21/17,668,629.98 = 3,258,447.17/x - Step 3: Cross multiply
11,778,824.21x = 17,668,629.98 × 3,258,447.17 - Step 4: Simplify right side
11,778,824.21x = 57,572,297,396,206.67 - Step 5: Solve for x
x = 57,572,297,396,206.67/11,778,824.21 - Step 6: Final answer
x = 4,887,779.66
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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.