Finding the Fourth Proportional to 43,997,739.20, 66,012,355.20 and 18,446,580.80
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Solution
The fourth proportional to 43,997,739.20, 66,012,355.20 and 18,446,580.80 is: 27,676,473.07
Step by Step Solution
- Step 1: Write the proportion equation
43,997,739.20 : 66,012,355.20 = 18,446,580.80 : x - Step 2: Convert to fraction form
43,997,739.20/66,012,355.20 = 18,446,580.80/x - Step 3: Cross multiply
43,997,739.20x = 66,012,355.20 × 18,446,580.80 - Step 4: Simplify right side
43,997,739.20x = 1,217,702,243,995,100.25 - Step 5: Solve for x
x = 1,217,702,243,995,100.25/43,997,739.20 - Step 6: Final answer
x = 27,676,473.07
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.