Finding the Fourth Proportional to 9,696,021.20, 14,544,031.80 and 3,313,480.40
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Solution
The fourth proportional to 9,696,021.20, 14,544,031.80 and 3,313,480.40 is: 4,970,220.60
Step by Step Solution
- Step 1: Write the proportion equation
9,696,021.20 : 14,544,031.80 = 3,313,480.40 : x - Step 2: Convert to fraction form
9,696,021.20/14,544,031.80 = 3,313,480.40/x - Step 3: Cross multiply
9,696,021.20x = 14,544,031.80 × 3,313,480.40 - Step 4: Simplify right side
9,696,021.20x = 48,191,364,306,276.72 - Step 5: Solve for x
x = 48,191,364,306,276.72/9,696,021.20 - Step 6: Final answer
x = 4,970,220.60
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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.