Finding the Fourth Proportional to 10,523,324.40, 15,779,737.80 and 4,837,124.40
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Solution
The fourth proportional to 10,523,324.40, 15,779,737.80 and 4,837,124.40 is: 7,253,273.95
Step by Step Solution
- Step 1: Write the proportion equation
10,523,324.40 : 15,779,737.80 = 4,837,124.40 : x - Step 2: Convert to fraction form
10,523,324.40/15,779,737.80 = 4,837,124.40/x - Step 3: Cross multiply
10,523,324.40x = 15,779,737.80 × 4,837,124.40 - Step 4: Simplify right side
10,523,324.40x = 76,328,554,737,982.33 - Step 5: Solve for x
x = 76,328,554,737,982.33/10,523,324.40 - Step 6: Final answer
x = 7,253,273.95
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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.