Finding the Fourth Proportional to 25,387,809.99, 35,036,182.34 and 14,224,399.31
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Solution
The fourth proportional to 25,387,809.99, 35,036,182.34 and 14,224,399.31 is: 19,630,233.88
Step by Step Solution
- Step 1: Write the proportion equation
25,387,809.99 : 35,036,182.34 = 14,224,399.31 : x - Step 2: Convert to fraction form
25,387,809.99/35,036,182.34 = 14,224,399.31/x - Step 3: Cross multiply
25,387,809.99x = 35,036,182.34 × 14,224,399.31 - Step 4: Simplify right side
25,387,809.99x = 498,368,647,902,130.25 - Step 5: Solve for x
x = 498,368,647,902,130.25/25,387,809.99 - Step 6: Final answer
x = 19,630,233.88
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1.5x scale
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.