Finding the Fourth Proportional to 22,555,491.88, 31,126,243.26 and 12,767,792.08
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Solution
The fourth proportional to 22,555,491.88, 31,126,243.26 and 12,767,792.08 is: 17,619,363.14
Step by Step Solution
- Step 1: Write the proportion equation
22,555,491.88 : 31,126,243.26 = 12,767,792.08 : x - Step 2: Convert to fraction form
22,555,491.88/31,126,243.26 = 12,767,792.08/x - Step 3: Cross multiply
22,555,491.88x = 31,126,243.26 × 12,767,792.08 - Step 4: Simplify right side
22,555,491.88x = 397,413,402,175,181.38 - Step 5: Solve for x
x = 397,413,402,175,181.38/22,555,491.88 - Step 6: Final answer
x = 17,619,363.14
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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.