Finding the Fourth Proportional to 10,124,220.10, 13,971,414.64 and 5,714,874.06
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Solution
The fourth proportional to 10,124,220.10, 13,971,414.64 and 5,714,874.06 is: 7,886,521.07
Step by Step Solution
- Step 1: Write the proportion equation
10,124,220.10 : 13,971,414.64 = 5,714,874.06 : x - Step 2: Convert to fraction form
10,124,220.10/13,971,414.64 = 5,714,874.06/x - Step 3: Cross multiply
10,124,220.10x = 13,971,414.64 × 5,714,874.06 - Step 4: Simplify right side
10,124,220.10x = 79,844,875,107,640.23 - Step 5: Solve for x
x = 79,844,875,107,640.23/10,124,220.10 - Step 6: Final answer
x = 7,886,521.07
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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.