Finding the Fourth Proportional to 7,225,348.71, 9,971,118.02 and 3,961,968.82
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Solution
The fourth proportional to 7,225,348.71, 9,971,118.02 and 3,961,968.82 is: 5,467,591.99
Step by Step Solution
- Step 1: Write the proportion equation
7,225,348.71 : 9,971,118.02 = 3,961,968.82 : x - Step 2: Convert to fraction form
7,225,348.71/9,971,118.02 = 3,961,968.82/x - Step 3: Cross multiply
7,225,348.71x = 9,971,118.02 × 3,961,968.82 - Step 4: Simplify right side
7,225,348.71x = 39,505,258,708,800.04 - Step 5: Solve for x
x = 39,505,258,708,800.04/7,225,348.71 - Step 6: Final answer
x = 5,467,591.99
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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.