Finding the Fourth Proportional to 13,239,762.72, 19,858,157.04 and 3,656,503.68
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Solution
The fourth proportional to 13,239,762.72, 19,858,157.04 and 3,656,503.68 is: 5,484,344.84
Step by Step Solution
- Step 1: Write the proportion equation
13,239,762.72 : 19,858,157.04 = 3,656,503.68 : x - Step 2: Convert to fraction form
13,239,762.72/19,858,157.04 = 3,656,503.68/x - Step 3: Cross multiply
13,239,762.72x = 19,858,157.04 × 3,656,503.68 - Step 4: Simplify right side
13,239,762.72x = 72,611,424,294,777.91 - Step 5: Solve for x
x = 72,611,424,294,777.91/13,239,762.72 - Step 6: Final answer
x = 5,484,344.84
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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.