Finding the Fourth Proportional to 12,480,103.92, 17,223,208.70 and 6,973,612.44
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Solution
The fourth proportional to 12,480,103.92, 17,223,208.70 and 6,973,612.44 is: 9,623,956.92
Step by Step Solution
- Step 1: Write the proportion equation
12,480,103.92 : 17,223,208.70 = 6,973,612.44 : x - Step 2: Convert to fraction form
12,480,103.92/17,223,208.70 = 6,973,612.44/x - Step 3: Cross multiply
12,480,103.92x = 17,223,208.70 × 6,973,612.44 - Step 4: Simplify right side
12,480,103.92x = 120,107,982,447,036.23 - Step 5: Solve for x
x = 120,107,982,447,036.23/12,480,103.92 - Step 6: Final answer
x = 9,623,956.92
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1.5x scale
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.