Finding the Fourth Proportional to 8,368,445.80, 12,554,807.10 and 2,688,725.80
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Solution
The fourth proportional to 8,368,445.80, 12,554,807.10 and 2,688,725.80 is: 4,033,775.75
Step by Step Solution
- Step 1: Write the proportion equation
8,368,445.80 : 12,554,807.10 = 2,688,725.80 : x - Step 2: Convert to fraction form
8,368,445.80/12,554,807.10 = 2,688,725.80/x - Step 3: Cross multiply
8,368,445.80x = 12,554,807.10 × 2,688,725.80 - Step 4: Simplify right side
8,368,445.80x = 33,756,433,763,793.18 - Step 5: Solve for x
x = 33,756,433,763,793.18/8,368,445.80 - Step 6: Final answer
x = 4,033,775.75
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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.