Finding the Fourth Proportional to 16,403,231.80, 24,604,847.70 and 11,616,326.20
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Solution
The fourth proportional to 16,403,231.80, 24,604,847.70 and 11,616,326.20 is: 17,424,489.30
Step by Step Solution
- Step 1: Write the proportion equation
16,403,231.80 : 24,604,847.70 = 11,616,326.20 : x - Step 2: Convert to fraction form
16,403,231.80/24,604,847.70 = 11,616,326.20/x - Step 3: Cross multiply
16,403,231.80x = 24,604,847.70 × 11,616,326.20 - Step 4: Simplify right side
16,403,231.80x = 285,817,936,984,519.69 - Step 5: Solve for x
x = 285,817,936,984,519.69/16,403,231.80 - Step 6: Final answer
x = 17,424,489.30
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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.