Finding the Fourth Proportional to 17,542,154.16, 26,295,561.21 and 7,312,673.07
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Solution
The fourth proportional to 17,542,154.16, 26,295,561.21 and 7,312,673.07 is: 10,961,643.63
Step by Step Solution
- Step 1: Write the proportion equation
17,542,154.16 : 26,295,561.21 = 7,312,673.07 : x - Step 2: Convert to fraction form
17,542,154.16/26,295,561.21 = 7,312,673.07/x - Step 3: Cross multiply
17,542,154.16x = 26,295,561.21 × 7,312,673.07 - Step 4: Simplify right side
17,542,154.16x = 192,290,842,320,903.62 - Step 5: Solve for x
x = 192,290,842,320,903.62/17,542,154.16 - Step 6: Final answer
x = 10,961,643.63
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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.