Finding the Fourth Proportional to 28,925,635.92, 39,907,490.58 and 16,526,833.08
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Solution
The fourth proportional to 28,925,635.92, 39,907,490.58 and 16,526,833.08 is: 22,801,380.66
Step by Step Solution
- Step 1: Write the proportion equation
28,925,635.92 : 39,907,490.58 = 16,526,833.08 : x - Step 2: Convert to fraction form
28,925,635.92/39,907,490.58 = 16,526,833.08/x - Step 3: Cross multiply
28,925,635.92x = 39,907,490.58 × 16,526,833.08 - Step 4: Simplify right side
28,925,635.92x = 659,544,435,457,332.38 - Step 5: Solve for x
x = 659,544,435,457,332.38/28,925,635.92 - Step 6: Final answer
x = 22,801,380.66
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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.