Finding the Fourth Proportional to 17,721,840.75, 24,456,162.15 and 9,573,078.75
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Solution
The fourth proportional to 17,721,840.75, 24,456,162.15 and 9,573,078.75 is: 13,210,860.51
Step by Step Solution
- Step 1: Write the proportion equation
17,721,840.75 : 24,456,162.15 = 9,573,078.75 : x - Step 2: Convert to fraction form
17,721,840.75/24,456,162.15 = 9,573,078.75/x - Step 3: Cross multiply
17,721,840.75x = 24,456,162.15 × 9,573,078.75 - Step 4: Simplify right side
17,721,840.75x = 234,120,766,184,719.31 - Step 5: Solve for x
x = 234,120,766,184,719.31/17,721,840.75 - Step 6: Final answer
x = 13,210,860.51
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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.