Finding the Fourth Proportional to 8,449,135.80, 12,675,281.48 and 3,838,445.79
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Solution
The fourth proportional to 8,449,135.80, 12,675,281.48 and 3,838,445.79 is: 5,758,385.47
Step by Step Solution
- Step 1: Write the proportion equation
8,449,135.80 : 12,675,281.48 = 3,838,445.79 : x - Step 2: Convert to fraction form
8,449,135.80/12,675,281.48 = 3,838,445.79/x - Step 3: Cross multiply
8,449,135.80x = 12,675,281.48 × 3,838,445.79 - Step 4: Simplify right side
8,449,135.80x = 48,653,380,814,778.74 - Step 5: Solve for x
x = 48,653,380,814,778.74/8,449,135.80 - Step 6: Final answer
x = 5,758,385.47
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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.