Finding the Fourth Proportional to 7,349,625.40, 11,024,438.10 and 5,323,588.60
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Solution
The fourth proportional to 7,349,625.40, 11,024,438.10 and 5,323,588.60 is: 7,985,382.90
Step by Step Solution
- Step 1: Write the proportion equation
7,349,625.40 : 11,024,438.10 = 5,323,588.60 : x - Step 2: Convert to fraction form
7,349,625.40/11,024,438.10 = 5,323,588.60/x - Step 3: Cross multiply
7,349,625.40x = 11,024,438.10 × 5,323,588.60 - Step 4: Simplify right side
7,349,625.40x = 58,689,572,990,565.66 - Step 5: Solve for x
x = 58,689,572,990,565.66/7,349,625.40 - Step 6: Final answer
x = 7,985,382.90
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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.