Finding the Fourth Proportional to 7,623,372.87, 10,525,177.94 and 4,725,860.31
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Solution
The fourth proportional to 7,623,372.87, 10,525,177.94 and 4,725,860.31 is: 6,524,739.31
Step by Step Solution
- Step 1: Write the proportion equation
7,623,372.87 : 10,525,177.94 = 4,725,860.31 : x - Step 2: Convert to fraction form
7,623,372.87/10,525,177.94 = 4,725,860.31/x - Step 3: Cross multiply
7,623,372.87x = 10,525,177.94 × 4,725,860.31 - Step 4: Simplify right side
7,623,372.87x = 49,740,520,658,704.26 - Step 5: Solve for x
x = 49,740,520,658,704.26/7,623,372.87 - Step 6: Final answer
x = 6,524,739.31
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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.