Finding the Fourth Proportional to 13,656,331.02, 18,845,516.86 and 7,461,244.62
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Solution
The fourth proportional to 13,656,331.02, 18,845,516.86 and 7,461,244.62 is: 10,296,397.41
Step by Step Solution
- Step 1: Write the proportion equation
13,656,331.02 : 18,845,516.86 = 7,461,244.62 : x - Step 2: Convert to fraction form
13,656,331.02/18,845,516.86 = 7,461,244.62/x - Step 3: Cross multiply
13,656,331.02x = 18,845,516.86 × 7,461,244.62 - Step 4: Simplify right side
13,656,331.02x = 140,611,011,282,794.30 - Step 5: Solve for x
x = 140,611,011,282,794.30/13,656,331.02 - Step 6: Final answer
x = 10,296,397.41
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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.