Finding the Fourth Proportional to 19,477,811.10, 29,216,716.65 and 18,733,793.70
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Solution
The fourth proportional to 19,477,811.10, 29,216,716.65 and 18,733,793.70 is: 28,100,690.55
Step by Step Solution
- Step 1: Write the proportion equation
19,477,811.10 : 29,216,716.65 = 18,733,793.70 : x - Step 2: Convert to fraction form
19,477,811.10/29,216,716.65 = 18,733,793.70/x - Step 3: Cross multiply
19,477,811.10x = 29,216,716.65 × 18,733,793.70 - Step 4: Simplify right side
19,477,811.10x = 547,339,942,312,455.06 - Step 5: Solve for x
x = 547,339,942,312,455.06/19,477,811.10 - Step 6: Final answer
x = 28,100,690.55
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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.