Finding the Fourth Proportional to 17,299,505.62, 23,873,025.13 and 12,347,065.99
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Solution
The fourth proportional to 17,299,505.62, 23,873,025.13 and 12,347,065.99 is: 17,038,742.21
Step by Step Solution
- Step 1: Write the proportion equation
17,299,505.62 : 23,873,025.13 = 12,347,065.99 : x - Step 2: Convert to fraction form
17,299,505.62/23,873,025.13 = 12,347,065.99/x - Step 3: Cross multiply
17,299,505.62x = 23,873,025.13 × 12,347,065.99 - Step 4: Simplify right side
17,299,505.62x = 294,761,816,661,038.31 - Step 5: Solve for x
x = 294,761,816,661,038.31/17,299,505.62 - Step 6: Final answer
x = 17,038,742.21
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.