Finding the Fourth Proportional to 16,888,913.40, 25,345,811.70 and 6,798,775.80
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Solution
The fourth proportional to 16,888,913.40, 25,345,811.70 and 6,798,775.80 is: 10,203,172.17
Step by Step Solution
- Step 1: Write the proportion equation
16,888,913.40 : 25,345,811.70 = 6,798,775.80 : x - Step 2: Convert to fraction form
16,888,913.40/25,345,811.70 = 6,798,775.80/x - Step 3: Cross multiply
16,888,913.40x = 25,345,811.70 × 6,798,775.80 - Step 4: Simplify right side
16,888,913.40x = 172,320,491,217,316.84 - Step 5: Solve for x
x = 172,320,491,217,316.84/16,888,913.40 - Step 6: Final answer
x = 10,203,172.17
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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.