Finding the Fourth Proportional to 7,811,125.22, 11,708,420.82 and 3,554,282.80
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Solution
The fourth proportional to 7,811,125.22, 11,708,420.82 and 3,554,282.80 is: 5,327,662.48
Step by Step Solution
- Step 1: Write the proportion equation
7,811,125.22 : 11,708,420.82 = 3,554,282.80 : x - Step 2: Convert to fraction form
7,811,125.22/11,708,420.82 = 3,554,282.80/x - Step 3: Cross multiply
7,811,125.22x = 11,708,420.82 × 3,554,282.80 - Step 4: Simplify right side
7,811,125.22x = 41,615,038,735,687.90 - Step 5: Solve for x
x = 41,615,038,735,687.90/7,811,125.22 - Step 6: Final answer
x = 5,327,662.48
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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.