Finding the Fourth Proportional to 38,557,064.65, 57,845,169.55 and 19,135,405.88
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Solution
The fourth proportional to 38,557,064.65, 57,845,169.55 and 19,135,405.88 is: 28,707,859.58
Step by Step Solution
- Step 1: Write the proportion equation
38,557,064.65 : 57,845,169.55 = 19,135,405.88 : x - Step 2: Convert to fraction form
38,557,064.65/57,845,169.55 = 19,135,405.88/x - Step 3: Cross multiply
38,557,064.65x = 57,845,169.55 × 19,135,405.88 - Step 4: Simplify right side
38,557,064.65x = 1,106,890,797,536,666.88 - Step 5: Solve for x
x = 1,106,890,797,536,666.88/38,557,064.65 - Step 6: Final answer
x = 28,707,859.58
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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.