Finding the Fourth Proportional to 27,133,058.90, 40,699,588.35 and 16,371,378.65
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Solution
The fourth proportional to 27,133,058.90, 40,699,588.35 and 16,371,378.65 is: 24,557,067.98
Step by Step Solution
- Step 1: Write the proportion equation
27,133,058.90 : 40,699,588.35 = 16,371,378.65 : x - Step 2: Convert to fraction form
27,133,058.90/40,699,588.35 = 16,371,378.65/x - Step 3: Cross multiply
27,133,058.90x = 40,699,588.35 × 16,371,378.65 - Step 4: Simplify right side
27,133,058.90x = 666,308,371,776,978.75 - Step 5: Solve for x
x = 666,308,371,776,978.75/27,133,058.90 - Step 6: Final answer
x = 24,557,067.98
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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.