Finding the Fourth Proportional to 8,798,857.26, 12,129,699.34 and 6,177,380.55
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Solution
The fourth proportional to 8,798,857.26, 12,129,699.34 and 6,177,380.55 is: 8,515,852.29
Step by Step Solution
- Step 1: Write the proportion equation
8,798,857.26 : 12,129,699.34 = 6,177,380.55 : x - Step 2: Convert to fraction form
8,798,857.26/12,129,699.34 = 6,177,380.55/x - Step 3: Cross multiply
8,798,857.26x = 12,129,699.34 × 6,177,380.55 - Step 4: Simplify right side
8,798,857.26x = 74,929,768,780,263.83 - Step 5: Solve for x
x = 74,929,768,780,263.83/8,798,857.26 - Step 6: Final answer
x = 8,515,852.29
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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.