Finding the Fourth Proportional to 14,646,348.12, 20,213,157.78 and 8,122,023.96
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Solution
The fourth proportional to 14,646,348.12, 20,213,157.78 and 8,122,023.96 is: 11,209,057.06
Step by Step Solution
- Step 1: Write the proportion equation
14,646,348.12 : 20,213,157.78 = 8,122,023.96 : x - Step 2: Convert to fraction form
14,646,348.12/20,213,157.78 = 8,122,023.96/x - Step 3: Cross multiply
14,646,348.12x = 20,213,157.78 × 8,122,023.96 - Step 4: Simplify right side
14,646,348.12x = 164,171,751,796,420.41 - Step 5: Solve for x
x = 164,171,751,796,420.41/14,646,348.12 - Step 6: Final answer
x = 11,209,057.06
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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.