Finding the Fourth Proportional to 19,553,596.40, 29,344,391.40 and 11,024,879.60
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Solution
The fourth proportional to 19,553,596.40, 29,344,391.40 and 11,024,879.60 is: 16,545,211.20
Step by Step Solution
- Step 1: Write the proportion equation
19,553,596.40 : 29,344,391.40 = 11,024,879.60 : x - Step 2: Convert to fraction form
19,553,596.40/29,344,391.40 = 11,024,879.60/x - Step 3: Cross multiply
19,553,596.40x = 29,344,391.40 × 11,024,879.60 - Step 4: Simplify right side
19,553,596.40x = 323,518,382,120,275.44 - Step 5: Solve for x
x = 323,518,382,120,275.44/19,553,596.40 - Step 6: Final answer
x = 16,545,211.20
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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.