Finding the Fourth Proportional to 19,571,440.80, 29,346,663.60 and 8,199,040.80
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Solution
The fourth proportional to 19,571,440.80, 29,346,663.60 and 8,199,040.80 is: 12,294,163.45
Step by Step Solution
- Step 1: Write the proportion equation
19,571,440.80 : 29,346,663.60 = 8,199,040.80 : x - Step 2: Convert to fraction form
19,571,440.80/29,346,663.60 = 8,199,040.80/x - Step 3: Cross multiply
19,571,440.80x = 29,346,663.60 × 8,199,040.80 - Step 4: Simplify right side
19,571,440.80x = 240,614,492,200,274.88 - Step 5: Solve for x
x = 240,614,492,200,274.88/19,571,440.80 - Step 6: Final answer
x = 12,294,163.45
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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.