Finding the Fourth Proportional to 7,948,204.80, 11,923,862.40 and 3,399,244.80
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Solution
The fourth proportional to 7,948,204.80, 11,923,862.40 and 3,399,244.80 is: 5,099,532.32
Step by Step Solution
- Step 1: Write the proportion equation
7,948,204.80 : 11,923,862.40 = 3,399,244.80 : x - Step 2: Convert to fraction form
7,948,204.80/11,923,862.40 = 3,399,244.80/x - Step 3: Cross multiply
7,948,204.80x = 11,923,862.40 × 3,399,244.80 - Step 4: Simplify right side
7,948,204.80x = 40,532,127,259,115.52 - Step 5: Solve for x
x = 40,532,127,259,115.52/7,948,204.80 - Step 6: Final answer
x = 5,099,532.32
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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.