Finding the Fourth Proportional to 43,694,968.80, 65,542,453.20 and 14,938,543.20
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Solution
The fourth proportional to 43,694,968.80, 65,542,453.20 and 14,938,543.20 is: 22,407,814.80
Step by Step Solution
- Step 1: Write the proportion equation
43,694,968.80 : 65,542,453.20 = 14,938,543.20 : x - Step 2: Convert to fraction form
43,694,968.80/65,542,453.20 = 14,938,543.20/x - Step 3: Cross multiply
43,694,968.80x = 65,542,453.20 × 14,938,543.20 - Step 4: Simplify right side
43,694,968.80x = 979,108,768,562,178.25 - Step 5: Solve for x
x = 979,108,768,562,178.25/43,694,968.80 - Step 6: Final answer
x = 22,407,814.80
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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.