Finding the Fourth Proportional to 7,493,281.37, 11,219,712.81 and 4,893,145.14
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Solution
The fourth proportional to 7,493,281.37, 11,219,712.81 and 4,893,145.14 is: 7,326,520.99
Step by Step Solution
- Step 1: Write the proportion equation
7,493,281.37 : 11,219,712.81 = 4,893,145.14 : x - Step 2: Convert to fraction form
7,493,281.37/11,219,712.81 = 4,893,145.14/x - Step 3: Cross multiply
7,493,281.37x = 11,219,712.81 × 4,893,145.14 - Step 4: Simplify right side
7,493,281.37x = 54,899,683,208,447.24 - Step 5: Solve for x
x = 54,899,683,208,447.24/7,493,281.37 - Step 6: Final answer
x = 7,326,520.99
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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.