Finding the Fourth Proportional to 16,036,986.21, 22,130,769.33 and 9,067,556.07
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Solution
The fourth proportional to 16,036,986.21, 22,130,769.33 and 9,067,556.07 is: 12,513,073.79
Step by Step Solution
- Step 1: Write the proportion equation
16,036,986.21 : 22,130,769.33 = 9,067,556.07 : x - Step 2: Convert to fraction form
16,036,986.21/22,130,769.33 = 9,067,556.07/x - Step 3: Cross multiply
16,036,986.21x = 22,130,769.33 × 9,067,556.07 - Step 4: Simplify right side
16,036,986.21x = 200,671,991,772,011.31 - Step 5: Solve for x
x = 200,671,991,772,011.31/16,036,986.21 - Step 6: Final answer
x = 12,513,073.79
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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.