Finding the Fourth Proportional to 12,846,648.92, 19,280,574.66 and 6,458,716.76
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Solution
The fourth proportional to 12,846,648.92, 19,280,574.66 and 6,458,716.76 is: 9,693,404.99
Step by Step Solution
- Step 1: Write the proportion equation
12,846,648.92 : 19,280,574.66 = 6,458,716.76 : x - Step 2: Convert to fraction form
12,846,648.92/19,280,574.66 = 6,458,716.76/x - Step 3: Cross multiply
12,846,648.92x = 19,280,574.66 × 6,458,716.76 - Step 4: Simplify right side
12,846,648.92x = 124,527,770,698,973.30 - Step 5: Solve for x
x = 124,527,770,698,973.30/12,846,648.92 - Step 6: Final answer
x = 9,693,404.99
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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.