Finding the Fourth Proportional to 51,628,899.42, 71,245,176.66 and 28,419,493.14
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Solution
The fourth proportional to 51,628,899.42, 71,245,176.66 and 28,419,493.14 is: 39,217,411.80
Step by Step Solution
- Step 1: Write the proportion equation
51,628,899.42 : 71,245,176.66 = 28,419,493.14 : x - Step 2: Convert to fraction form
51,628,899.42/71,245,176.66 = 28,419,493.14/x - Step 3: Cross multiply
51,628,899.42x = 71,245,176.66 × 28,419,493.14 - Step 4: Simplify right side
51,628,899.42x = 2,024,751,809,346,958 - Step 5: Solve for x
x = 2,024,751,809,346,958/51,628,899.42 - Step 6: Final answer
x = 39,217,411.80
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.