Finding the Fourth Proportional to 10,255,818.33, 14,157,387.41 and 6,390,249.66
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Solution
The fourth proportional to 10,255,818.33, 14,157,387.41 and 6,390,249.66 is: 8,821,260.00
Step by Step Solution
- Step 1: Write the proportion equation
10,255,818.33 : 14,157,387.41 = 6,390,249.66 : x - Step 2: Convert to fraction form
10,255,818.33/14,157,387.41 = 6,390,249.66/x - Step 3: Cross multiply
10,255,818.33x = 14,157,387.41 × 6,390,249.66 - Step 4: Simplify right side
10,255,818.33x = 90,469,240,051,289.53 - Step 5: Solve for x
x = 90,469,240,051,289.53/10,255,818.33 - Step 6: Final answer
x = 8,821,260.00
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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.