Finding the Fourth Proportional to 19,555,404.12, 26,991,418.14 and 13,362,957.24
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Solution
The fourth proportional to 19,555,404.12, 26,991,418.14 and 13,362,957.24 is: 18,444,270.66
Step by Step Solution
- Step 1: Write the proportion equation
19,555,404.12 : 26,991,418.14 = 13,362,957.24 : x - Step 2: Convert to fraction form
19,555,404.12/26,991,418.14 = 13,362,957.24/x - Step 3: Cross multiply
19,555,404.12x = 26,991,418.14 × 13,362,957.24 - Step 4: Simplify right side
19,555,404.12x = 360,685,166,451,780.38 - Step 5: Solve for x
x = 360,685,166,451,780.38/19,555,404.12 - Step 6: Final answer
x = 18,444,270.66
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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.