Finding the Fourth Proportional to 49,727,058.12, 68,614,230.48 and 27,700,009.36
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Solution
The fourth proportional to 49,727,058.12, 68,614,230.48 and 27,700,009.36 is: 38,220,938.43
Step by Step Solution
- Step 1: Write the proportion equation
49,727,058.12 : 68,614,230.48 = 27,700,009.36 : x - Step 2: Convert to fraction form
49,727,058.12/68,614,230.48 = 27,700,009.36/x - Step 3: Cross multiply
49,727,058.12x = 68,614,230.48 × 27,700,009.36 - Step 4: Simplify right side
49,727,058.12x = 1,900,614,826,525,197.25 - Step 5: Solve for x
x = 1,900,614,826,525,197.25/49,727,058.12 - Step 6: Final answer
x = 38,220,938.43
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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.