Finding the Fourth Proportional to 9,658,979.80, 14,488,469.70 and 4,350,563.80
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Solution
The fourth proportional to 9,658,979.80, 14,488,469.70 and 4,350,563.80 is: 6,525,845.70
Step by Step Solution
- Step 1: Write the proportion equation
9,658,979.80 : 14,488,469.70 = 4,350,563.80 : x - Step 2: Convert to fraction form
9,658,979.80/14,488,469.70 = 4,350,563.80/x - Step 3: Cross multiply
9,658,979.80x = 14,488,469.70 × 4,350,563.80 - Step 4: Simplify right side
9,658,979.80x = 63,033,011,794,216.85 - Step 5: Solve for x
x = 63,033,011,794,216.85/9,658,979.80 - Step 6: Final answer
x = 6,525,845.70
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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.