Finding the Fourth Proportional to 7,765,660.36, 11,648,490.54 and 2,374,310.79
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Solution
The fourth proportional to 7,765,660.36, 11,648,490.54 and 2,374,310.79 is: 3,561,466.19
Step by Step Solution
- Step 1: Write the proportion equation
7,765,660.36 : 11,648,490.54 = 2,374,310.79 : x - Step 2: Convert to fraction form
7,765,660.36/11,648,490.54 = 2,374,310.79/x - Step 3: Cross multiply
7,765,660.36x = 11,648,490.54 × 2,374,310.79 - Step 4: Simplify right side
7,765,660.36x = 27,657,136,790,895.54 - Step 5: Solve for x
x = 27,657,136,790,895.54/7,765,660.36 - Step 6: Final answer
x = 3,561,466.19
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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.