Finding the Fourth Proportional to 5,551,877.40, 8,340,257.70 and 5,325,163.80
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Solution
The fourth proportional to 5,551,877.40, 8,340,257.70 and 5,325,163.80 is: 7,999,679.24
Step by Step Solution
- Step 1: Write the proportion equation
5,551,877.40 : 8,340,257.70 = 5,325,163.80 : x - Step 2: Convert to fraction form
5,551,877.40/8,340,257.70 = 5,325,163.80/x - Step 3: Cross multiply
5,551,877.40x = 8,340,257.70 × 5,325,163.80 - Step 4: Simplify right side
5,551,877.40x = 44,413,238,386,711.26 - Step 5: Solve for x
x = 44,413,238,386,711.26/5,551,877.40 - Step 6: Final answer
x = 7,999,679.24
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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.