Finding the Fourth Proportional to 10,368,745.80, 15,553,118.70 and 4,385,113.80
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Solution
The fourth proportional to 10,368,745.80, 15,553,118.70 and 4,385,113.80 is: 6,577,670.70
Step by Step Solution
- Step 1: Write the proportion equation
10,368,745.80 : 15,553,118.70 = 4,385,113.80 : x - Step 2: Convert to fraction form
10,368,745.80/15,553,118.70 = 4,385,113.80/x - Step 3: Cross multiply
10,368,745.80x = 15,553,118.70 × 4,385,113.80 - Step 4: Simplify right side
10,368,745.80x = 68,202,195,444,408.05 - Step 5: Solve for x
x = 68,202,195,444,408.05/10,368,745.80 - Step 6: Final answer
x = 6,577,670.70
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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.