Finding the Fourth Proportional to 9,947,463.20, 14,910,135.60 and 4,266,720.80
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Solution
The fourth proportional to 9,947,463.20, 14,910,135.60 and 4,266,720.80 is: 6,395,337.63
Step by Step Solution
- Step 1: Write the proportion equation
9,947,463.20 : 14,910,135.60 = 4,266,720.80 : x - Step 2: Convert to fraction form
9,947,463.20/14,910,135.60 = 4,266,720.80/x - Step 3: Cross multiply
9,947,463.20x = 14,910,135.60 × 4,266,720.80 - Step 4: Simplify right side
9,947,463.20x = 63,617,385,695,340.48 - Step 5: Solve for x
x = 63,617,385,695,340.48/9,947,463.20 - Step 6: Final answer
x = 6,395,337.63
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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.