Finding the Fourth Proportional to 26,830,911.44, 40,246,380.78 and 8,635,104.20
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Solution
The fourth proportional to 26,830,911.44, 40,246,380.78 and 8,635,104.20 is: 12,952,660.68
Step by Step Solution
- Step 1: Write the proportion equation
26,830,911.44 : 40,246,380.78 = 8,635,104.20 : x - Step 2: Convert to fraction form
26,830,911.44/40,246,380.78 = 8,635,104.20/x - Step 3: Cross multiply
26,830,911.44x = 40,246,380.78 × 8,635,104.20 - Step 4: Simplify right side
26,830,911.44x = 347,531,691,708,177.25 - Step 5: Solve for x
x = 347,531,691,708,177.25/26,830,911.44 - Step 6: Final answer
x = 12,952,660.68
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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.