Finding the Fourth Proportional to 21,160,169.83, 31,740,648.56 and 6,014,494.99
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Solution
The fourth proportional to 21,160,169.83, 31,740,648.56 and 6,014,494.99 is: 9,021,854.42
Step by Step Solution
- Step 1: Write the proportion equation
21,160,169.83 : 31,740,648.56 = 6,014,494.99 : x - Step 2: Convert to fraction form
21,160,169.83/31,740,648.56 = 6,014,494.99/x - Step 3: Cross multiply
21,160,169.83x = 31,740,648.56 × 6,014,494.99 - Step 4: Simplify right side
21,160,169.83x = 190,903,971,743,470.72 - Step 5: Solve for x
x = 190,903,971,743,470.72/21,160,169.83 - Step 6: Final answer
x = 9,021,854.42
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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.