Finding the Fourth Proportional to 7,407,660.41, 11,167,012.49 and 6,913,863.12
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Solution
The fourth proportional to 7,407,660.41, 11,167,012.49 and 6,913,863.12 is: 10,422,615.46
Step by Step Solution
- Step 1: Write the proportion equation
7,407,660.41 : 11,167,012.49 = 6,913,863.12 : x - Step 2: Convert to fraction form
7,407,660.41/11,167,012.49 = 6,913,863.12/x - Step 3: Cross multiply
7,407,660.41x = 11,167,012.49 × 6,913,863.12 - Step 4: Simplify right side
7,407,660.41x = 77,207,195,832,475.03 - Step 5: Solve for x
x = 77,207,195,832,475.03/7,407,660.41 - Step 6: Final answer
x = 10,422,615.46
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.