Finding the Fourth Proportional to 10,646,136.36, 15,975,529.02 and 3,919,274.28
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Solution
The fourth proportional to 10,646,136.36, 15,975,529.02 and 3,919,274.28 is: 5,881,239.72
Step by Step Solution
- Step 1: Write the proportion equation
10,646,136.36 : 15,975,529.02 = 3,919,274.28 : x - Step 2: Convert to fraction form
10,646,136.36/15,975,529.02 = 3,919,274.28/x - Step 3: Cross multiply
10,646,136.36x = 15,975,529.02 × 3,919,274.28 - Step 4: Simplify right side
10,646,136.36x = 62,612,479,997,479.60 - Step 5: Solve for x
x = 62,612,479,997,479.60/10,646,136.36 - Step 6: Final answer
x = 5,881,239.72
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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.