Finding the Fourth Proportional to 18,747,588.33, 28,115,567.36 and 6,614,214.39
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Solution
The fourth proportional to 18,747,588.33, 28,115,567.36 and 6,614,214.39 is: 9,919,269.99
Step by Step Solution
- Step 1: Write the proportion equation
18,747,588.33 : 28,115,567.36 = 6,614,214.39 : x - Step 2: Convert to fraction form
18,747,588.33/28,115,567.36 = 6,614,214.39/x - Step 3: Cross multiply
18,747,588.33x = 28,115,567.36 × 6,614,214.39 - Step 4: Simplify right side
18,747,588.33x = 185,962,390,277,027.38 - Step 5: Solve for x
x = 185,962,390,277,027.38/18,747,588.33 - Step 6: Final answer
x = 9,919,269.99
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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.