Finding the Fourth Proportional to 11,778,819.53, 17,668,622.95 and 3,258,442.49
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Solution
The fourth proportional to 11,778,819.53, 17,668,622.95 and 3,258,442.49 is: 4,887,772.63
Step by Step Solution
- Step 1: Write the proportion equation
11,778,819.53 : 17,668,622.95 = 3,258,442.49 : x - Step 2: Convert to fraction form
11,778,819.53/17,668,622.95 = 3,258,442.49/x - Step 3: Cross multiply
11,778,819.53x = 17,668,622.95 × 3,258,442.49 - Step 4: Simplify right side
11,778,819.53x = 57,572,191,663,579.93 - Step 5: Solve for x
x = 57,572,191,663,579.93/11,778,819.53 - Step 6: Final answer
x = 4,887,772.63
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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.