Finding the Fourth Proportional to 8,784,046.80, 13,176,070.20 and 3,104,845.20
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Solution
The fourth proportional to 8,784,046.80, 13,176,070.20 and 3,104,845.20 is: 4,657,267.80
Step by Step Solution
- Step 1: Write the proportion equation
8,784,046.80 : 13,176,070.20 = 3,104,845.20 : x - Step 2: Convert to fraction form
8,784,046.80/13,176,070.20 = 3,104,845.20/x - Step 3: Cross multiply
8,784,046.80x = 13,176,070.20 × 3,104,845.20 - Step 4: Simplify right side
8,784,046.80x = 40,909,658,315,333.04 - Step 5: Solve for x
x = 40,909,658,315,333.04/8,784,046.80 - Step 6: Final answer
x = 4,657,267.80
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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.