Finding the Fourth Proportional to 16,636,423.20, 24,954,634.80 and 7,678,471.20
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Solution
The fourth proportional to 16,636,423.20, 24,954,634.80 and 7,678,471.20 is: 11,517,706.80
Step by Step Solution
- Step 1: Write the proportion equation
16,636,423.20 : 24,954,634.80 = 7,678,471.20 : x - Step 2: Convert to fraction form
16,636,423.20/24,954,634.80 = 7,678,471.20/x - Step 3: Cross multiply
16,636,423.20x = 24,954,634.80 × 7,678,471.20 - Step 4: Simplify right side
16,636,423.20x = 191,613,444,618,317.78 - Step 5: Solve for x
x = 191,613,444,618,317.78/16,636,423.20 - Step 6: Final answer
x = 11,517,706.80
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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.