Finding the Fourth Proportional to 25,168,985.96, 34,713,523.64 and 16,351,278.26
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Solution
The fourth proportional to 25,168,985.96, 34,713,523.64 and 16,351,278.26 is: 22,551,980.65
Step by Step Solution
- Step 1: Write the proportion equation
25,168,985.96 : 34,713,523.64 = 16,351,278.26 : x - Step 2: Convert to fraction form
25,168,985.96/34,713,523.64 = 16,351,278.26/x - Step 3: Cross multiply
25,168,985.96x = 34,713,523.64 × 16,351,278.26 - Step 4: Simplify right side
25,168,985.96x = 567,610,484,422,728.12 - Step 5: Solve for x
x = 567,610,484,422,728.12/25,168,985.96 - Step 6: Final answer
x = 22,551,980.65
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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.