Finding the Fourth Proportional to 17,386,468.80, 26,079,703.20 and 15,818,827.20
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Solution
The fourth proportional to 17,386,468.80, 26,079,703.20 and 15,818,827.20 is: 23,728,240.80
Step by Step Solution
- Step 1: Write the proportion equation
17,386,468.80 : 26,079,703.20 = 15,818,827.20 : x - Step 2: Convert to fraction form
17,386,468.80/26,079,703.20 = 15,818,827.20/x - Step 3: Cross multiply
17,386,468.80x = 26,079,703.20 × 15,818,827.20 - Step 4: Simplify right side
17,386,468.80x = 412,550,318,348,087 - Step 5: Solve for x
x = 412,550,318,348,087/17,386,468.80 - Step 6: Final answer
x = 23,728,240.80
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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.