Finding the Fourth Proportional to 7,481,388, 10,324,319.87 and 4,173,682.23
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Solution
The fourth proportional to 7,481,388, 10,324,319.87 and 4,173,682.23 is: 5,759,683.95
Step by Step Solution
- Step 1: Write the proportion equation
7,481,388 : 10,324,319.87 = 4,173,682.23 : x - Step 2: Convert to fraction form
7,481,388/10,324,319.87 = 4,173,682.23/x - Step 3: Cross multiply
7,481,388x = 10,324,319.87 × 4,173,682.23 - Step 4: Simplify right side
7,481,388x = 43,090,430,378,254.91 - Step 5: Solve for x
x = 43,090,430,378,254.91/7,481,388 - Step 6: Final answer
x = 5,759,683.95
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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.