Finding the Fourth Proportional to 22,586,640.04, 31,167,033.24 and 12,794,987.08
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Solution
The fourth proportional to 22,586,640.04, 31,167,033.24 and 12,794,987.08 is: 17,655,648.96
Step by Step Solution
- Step 1: Write the proportion equation
22,586,640.04 : 31,167,033.24 = 12,794,987.08 : x - Step 2: Convert to fraction form
22,586,640.04/31,167,033.24 = 12,794,987.08/x - Step 3: Cross multiply
22,586,640.04x = 31,167,033.24 × 12,794,987.08 - Step 4: Simplify right side
22,586,640.04x = 398,781,787,627,730.50 - Step 5: Solve for x
x = 398,781,787,627,730.50/22,586,640.04 - Step 6: Final answer
x = 17,655,648.96
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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.