Finding the Fourth Proportional to 7,351,014.05, 10,142,912.81 and 4,294,637.81
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Solution
The fourth proportional to 7,351,014.05, 10,142,912.81 and 4,294,637.81 is: 5,925,731.68
Step by Step Solution
- Step 1: Write the proportion equation
7,351,014.05 : 10,142,912.81 = 4,294,637.81 : x - Step 2: Convert to fraction form
7,351,014.05/10,142,912.81 = 4,294,637.81/x - Step 3: Cross multiply
7,351,014.05x = 10,142,912.81 × 4,294,637.81 - Step 4: Simplify right side
7,351,014.05x = 43,560,136,857,359.34 - Step 5: Solve for x
x = 43,560,136,857,359.34/7,351,014.05 - Step 6: Final answer
x = 5,925,731.68
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1.5x scale
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.