Finding the Fourth Proportional to 22,072,256.80, 30,462,366.08 and 13,370,174.08
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Solution
The fourth proportional to 22,072,256.80, 30,462,366.08 and 13,370,174.08 is: 18,452,446.48
Step by Step Solution
- Step 1: Write the proportion equation
22,072,256.80 : 30,462,366.08 = 13,370,174.08 : x - Step 2: Convert to fraction form
22,072,256.80/30,462,366.08 = 13,370,174.08/x - Step 3: Cross multiply
22,072,256.80x = 30,462,366.08 × 13,370,174.08 - Step 4: Simplify right side
22,072,256.80x = 407,287,137,378,287.19 - Step 5: Solve for x
x = 407,287,137,378,287.19/22,072,256.80 - Step 6: Final answer
x = 18,452,446.48
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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.