Finding the Fourth Proportional to 38,260,539.12, 57,390,870.24 and 11,641,324.44
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Solution
The fourth proportional to 38,260,539.12, 57,390,870.24 and 11,641,324.44 is: 17,462,005.39
Step by Step Solution
- Step 1: Write the proportion equation
38,260,539.12 : 57,390,870.24 = 11,641,324.44 : x - Step 2: Convert to fraction form
38,260,539.12/57,390,870.24 = 11,641,324.44/x - Step 3: Cross multiply
38,260,539.12x = 57,390,870.24 × 11,641,324.44 - Step 4: Simplify right side
38,260,539.12x = 668,105,740,357,780.62 - Step 5: Solve for x
x = 668,105,740,357,780.62/38,260,539.12 - Step 6: Final answer
x = 17,462,005.39
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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.