Finding the Fourth Proportional to 8,986,811.80, 13,480,217.70 and 6,747,323.80
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Solution
The fourth proportional to 8,986,811.80, 13,480,217.70 and 6,747,323.80 is: 10,120,985.70
Step by Step Solution
- Step 1: Write the proportion equation
8,986,811.80 : 13,480,217.70 = 6,747,323.80 : x - Step 2: Convert to fraction form
8,986,811.80/13,480,217.70 = 6,747,323.80/x - Step 3: Cross multiply
8,986,811.80x = 13,480,217.70 × 6,747,323.80 - Step 4: Simplify right side
8,986,811.80x = 90,955,393,716,391.25 - Step 5: Solve for x
x = 90,955,393,716,391.25/8,986,811.80 - Step 6: Final answer
x = 10,120,985.70
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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.