Finding the Fourth Proportional to 22,453,882.09, 30,986,176.97 and 13,035,547.09
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Solution
The fourth proportional to 22,453,882.09, 30,986,176.97 and 13,035,547.09 is: 17,988,950.30
Step by Step Solution
- Step 1: Write the proportion equation
22,453,882.09 : 30,986,176.97 = 13,035,547.09 : x - Step 2: Convert to fraction form
22,453,882.09/30,986,176.97 = 13,035,547.09/x - Step 3: Cross multiply
22,453,882.09x = 30,986,176.97 × 13,035,547.09 - Step 4: Simplify right side
22,453,882.09x = 403,921,768,966,330.75 - Step 5: Solve for x
x = 403,921,768,966,330.75/22,453,882.09 - Step 6: Final answer
x = 17,988,950.30
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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.