Finding the Fourth Proportional to 46,364,378.80, 69,612,923.40 and 26,208,986.80
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Solution
The fourth proportional to 46,364,378.80, 69,612,923.40 and 26,208,986.80 is: 39,350,989.65
Step by Step Solution
- Step 1: Write the proportion equation
46,364,378.80 : 69,612,923.40 = 26,208,986.80 : x - Step 2: Convert to fraction form
46,364,378.80/69,612,923.40 = 26,208,986.80/x - Step 3: Cross multiply
46,364,378.80x = 69,612,923.40 × 26,208,986.80 - Step 4: Simplify right side
46,364,378.80x = 1,824,484,190,500,011.25 - Step 5: Solve for x
x = 1,824,484,190,500,011.25/46,364,378.80 - Step 6: Final answer
x = 39,350,989.65
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1.5x scale
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.