Finding the Fourth Proportional to 18,481,884.56, 27,712,679.16 and 5,698,840.40
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Solution
The fourth proportional to 18,481,884.56, 27,712,679.16 and 5,698,840.40 is: 8,545,131.59
Step by Step Solution
- Step 1: Write the proportion equation
18,481,884.56 : 27,712,679.16 = 5,698,840.40 : x - Step 2: Convert to fraction form
18,481,884.56/27,712,679.16 = 5,698,840.40/x - Step 3: Cross multiply
18,481,884.56x = 27,712,679.16 × 5,698,840.40 - Step 4: Simplify right side
18,481,884.56x = 157,930,135,589,246.06 - Step 5: Solve for x
x = 157,930,135,589,246.06/18,481,884.56 - Step 6: Final answer
x = 8,545,131.59
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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.