Finding the Fourth Proportional to 19,564,847.80, 29,336,774.10 and 8,192,447.80
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Solution
The fourth proportional to 19,564,847.80, 29,336,774.10 and 8,192,447.80 is: 12,284,276.01
Step by Step Solution
- Step 1: Write the proportion equation
19,564,847.80 : 29,336,774.10 = 8,192,447.80 : x - Step 2: Convert to fraction form
19,564,847.80/29,336,774.10 = 8,192,447.80/x - Step 3: Cross multiply
19,564,847.80x = 29,336,774.10 × 8,192,447.80 - Step 4: Simplify right side
19,564,847.80x = 240,339,990,434,642 - Step 5: Solve for x
x = 240,339,990,434,642/19,564,847.80 - Step 6: Final answer
x = 12,284,276.01
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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.