Finding the Fourth Proportional to 13,743,650.37, 18,966,465.99 and 7,549,269.87
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Solution
The fourth proportional to 13,743,650.37, 18,966,465.99 and 7,549,269.87 is: 10,418,117.92
Step by Step Solution
- Step 1: Write the proportion equation
13,743,650.37 : 18,966,465.99 = 7,549,269.87 : x - Step 2: Convert to fraction form
13,743,650.37/18,966,465.99 = 7,549,269.87/x - Step 3: Cross multiply
13,743,650.37x = 18,966,465.99 × 7,549,269.87 - Step 4: Simplify right side
13,743,650.37x = 143,182,970,238,686.72 - Step 5: Solve for x
x = 143,182,970,238,686.72/13,743,650.37 - Step 6: Final answer
x = 10,418,117.92
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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.