Finding the Fourth Proportional to 10,298,716.80, 15,453,604.80 and 4,315,689.60
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Solution
The fourth proportional to 10,298,716.80, 15,453,604.80 and 4,315,689.60 is: 6,475,851.59
Step by Step Solution
- Step 1: Write the proportion equation
10,298,716.80 : 15,453,604.80 = 4,315,689.60 : x - Step 2: Convert to fraction form
10,298,716.80/15,453,604.80 = 4,315,689.60/x - Step 3: Cross multiply
10,298,716.80x = 15,453,604.80 × 4,315,689.60 - Step 4: Simplify right side
10,298,716.80x = 66,692,961,517,870.08 - Step 5: Solve for x
x = 66,692,961,517,870.08/10,298,716.80 - Step 6: Final answer
x = 6,475,851.59
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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.