Finding the Fourth Proportional to 14,865,765.60, 22,306,021.20 and 8,480,920.80
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Solution
The fourth proportional to 14,865,765.60, 22,306,021.20 and 8,480,920.80 is: 12,725,587.38
Step by Step Solution
- Step 1: Write the proportion equation
14,865,765.60 : 22,306,021.20 = 8,480,920.80 : x - Step 2: Convert to fraction form
14,865,765.60/22,306,021.20 = 8,480,920.80/x - Step 3: Cross multiply
14,865,765.60x = 22,306,021.20 × 8,480,920.80 - Step 4: Simplify right side
14,865,765.60x = 189,175,599,160,320.97 - Step 5: Solve for x
x = 189,175,599,160,320.97/14,865,765.60 - Step 6: Final answer
x = 12,725,587.38
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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.