Finding the Fourth Proportional to 14,526,677.80, 21,787,683.90 and 4,426,949.80
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Solution
The fourth proportional to 14,526,677.80, 21,787,683.90 and 4,426,949.80 is: 6,639,713.79
Step by Step Solution
- Step 1: Write the proportion equation
14,526,677.80 : 21,787,683.90 = 4,426,949.80 : x - Step 2: Convert to fraction form
14,526,677.80/21,787,683.90 = 4,426,949.80/x - Step 3: Cross multiply
14,526,677.80x = 21,787,683.90 × 4,426,949.80 - Step 4: Simplify right side
14,526,677.80x = 96,452,982,883,568.20 - Step 5: Solve for x
x = 96,452,982,883,568.20/14,526,677.80 - Step 6: Final answer
x = 6,639,713.79
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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.