Finding the Fourth Proportional to 18,611,422.60, 27,917,143.62 and 5,832,922.54
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Solution
The fourth proportional to 18,611,422.60, 27,917,143.62 and 5,832,922.54 is: 8,749,386.86
Step by Step Solution
- Step 1: Write the proportion equation
18,611,422.60 : 27,917,143.62 = 5,832,922.54 : x - Step 2: Convert to fraction form
18,611,422.60/27,917,143.62 = 5,832,922.54/x - Step 3: Cross multiply
18,611,422.60x = 27,917,143.62 × 5,832,922.54 - Step 4: Simplify right side
18,611,422.60x = 162,838,536,273,515.19 - Step 5: Solve for x
x = 162,838,536,273,515.19/18,611,422.60 - Step 6: Final answer
x = 8,749,386.86
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.