Finding the Fourth Proportional to 11,778,823.74, 17,668,629.28 and 3,258,446.70
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Solution
The fourth proportional to 11,778,823.74, 17,668,629.28 and 3,258,446.70 is: 4,887,778.96
Step by Step Solution
- Step 1: Write the proportion equation
11,778,823.74 : 17,668,629.28 = 3,258,446.70 : x - Step 2: Convert to fraction form
11,778,823.74/17,668,629.28 = 3,258,446.70/x - Step 3: Cross multiply
11,778,823.74x = 17,668,629.28 × 3,258,446.70 - Step 4: Simplify right side
11,778,823.74x = 57,572,286,822,941.03 - Step 5: Solve for x
x = 57,572,286,822,941.03/11,778,823.74 - Step 6: Final answer
x = 4,887,778.96
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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.