Finding the Fourth Proportional to 17,783,771.90, 24,528,064.80 and 15,307,207.63
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Solution
The fourth proportional to 17,783,771.90, 24,528,064.80 and 15,307,207.63 is: 21,112,291.75
Step by Step Solution
- Step 1: Write the proportion equation
17,783,771.90 : 24,528,064.80 = 15,307,207.63 : x - Step 2: Convert to fraction form
17,783,771.90/24,528,064.80 = 15,307,207.63/x - Step 3: Cross multiply
17,783,771.90x = 24,528,064.80 × 15,307,207.63 - Step 4: Simplify right side
17,783,771.90x = 375,456,180,774,416.62 - Step 5: Solve for x
x = 375,456,180,774,416.62/17,783,771.90 - Step 6: Final answer
x = 21,112,291.75
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.