Finding the Fourth Proportional to 14,900,391.14, 20,564,244.26 and 8,285,639.12
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Solution
The fourth proportional to 14,900,391.14, 20,564,244.26 and 8,285,639.12 is: 11,435,129.80
Step by Step Solution
- Step 1: Write the proportion equation
14,900,391.14 : 20,564,244.26 = 8,285,639.12 : x - Step 2: Convert to fraction form
14,900,391.14/20,564,244.26 = 8,285,639.12/x - Step 3: Cross multiply
14,900,391.14x = 20,564,244.26 × 8,285,639.12 - Step 4: Simplify right side
14,900,391.14x = 170,387,906,713,891.47 - Step 5: Solve for x
x = 170,387,906,713,891.47/14,900,391.14 - Step 6: Final answer
x = 11,435,129.80
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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.