Finding the Fourth Proportional to 18,451,209.36, 27,666,106.37 and 8,735,740.80
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Solution
The fourth proportional to 18,451,209.36, 27,666,106.37 and 8,735,740.80 is: 13,098,541.64
Step by Step Solution
- Step 1: Write the proportion equation
18,451,209.36 : 27,666,106.37 = 8,735,740.80 : x - Step 2: Convert to fraction form
18,451,209.36/27,666,106.37 = 8,735,740.80/x - Step 3: Cross multiply
18,451,209.36x = 27,666,106.37 × 8,735,740.80 - Step 4: Simplify right side
18,451,209.36x = 241,683,934,055,218.38 - Step 5: Solve for x
x = 241,683,934,055,218.38/18,451,209.36 - Step 6: Final answer
x = 13,098,541.64
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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.