Finding the Fourth Proportional to 30,316,566.26, 45,475,046.33 and 12,122,289.97
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Solution
The fourth proportional to 30,316,566.26, 45,475,046.33 and 12,122,289.97 is: 18,183,513.70
Step by Step Solution
- Step 1: Write the proportion equation
30,316,566.26 : 45,475,046.33 = 12,122,289.97 : x - Step 2: Convert to fraction form
30,316,566.26/45,475,046.33 = 12,122,289.97/x - Step 3: Cross multiply
30,316,566.26x = 45,475,046.33 × 12,122,289.97 - Step 4: Simplify right side
30,316,566.26x = 551,261,697,837,145.25 - Step 5: Solve for x
x = 551,261,697,837,145.25/30,316,566.26 - Step 6: Final answer
x = 18,183,513.70
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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.