Finding the Fourth Proportional to 13,973,029.12, 20,959,542.06 and 3,875,650.12
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Solution
The fourth proportional to 13,973,029.12, 20,959,542.06 and 3,875,650.12 is: 5,813,474.73
Step by Step Solution
- Step 1: Write the proportion equation
13,973,029.12 : 20,959,542.06 = 3,875,650.12 : x - Step 2: Convert to fraction form
13,973,029.12/20,959,542.06 = 3,875,650.12/x - Step 3: Cross multiply
13,973,029.12x = 20,959,542.06 × 3,875,650.12 - Step 4: Simplify right side
13,973,029.12x = 81,231,851,699,984.05 - Step 5: Solve for x
x = 81,231,851,699,984.05/13,973,029.12 - Step 6: Final answer
x = 5,813,474.73
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1.5x scale
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.