Finding the Fourth Proportional to 7,228,257.29, 9,974,902.00 and 4,130,745.17
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Solution
The fourth proportional to 7,228,257.29, 9,974,902.00 and 4,130,745.17 is: 5,700,375.15
Step by Step Solution
- Step 1: Write the proportion equation
7,228,257.29 : 9,974,902.00 = 4,130,745.17 : x - Step 2: Convert to fraction form
7,228,257.29/9,974,902.00 = 4,130,745.17/x - Step 3: Cross multiply
7,228,257.29x = 9,974,902.00 × 4,130,745.17 - Step 4: Simplify right side
7,228,257.29x = 41,203,778,262,006.87 - Step 5: Solve for x
x = 41,203,778,262,006.87/7,228,257.29 - Step 6: Final answer
x = 5,700,375.15
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.