Finding the Fourth Proportional to 19,542,414.80, 29,313,622.20 and 9,464,718.80
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Solution
The fourth proportional to 19,542,414.80, 29,313,622.20 and 9,464,718.80 is: 14,197,078.20
Step by Step Solution
- Step 1: Write the proportion equation
19,542,414.80 : 29,313,622.20 = 9,464,718.80 : x - Step 2: Convert to fraction form
19,542,414.80/29,313,622.20 = 9,464,718.80/x - Step 3: Cross multiply
19,542,414.80x = 29,313,622.20 × 9,464,718.80 - Step 4: Simplify right side
19,542,414.80x = 277,445,191,132,437.38 - Step 5: Solve for x
x = 277,445,191,132,437.38/19,542,414.80 - Step 6: Final answer
x = 14,197,078.20
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1.5x scale
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.