Finding the Fourth Proportional to 11,657,460.30, 17,486,190.45 and 6,618,612.30
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Solution
The fourth proportional to 11,657,460.30, 17,486,190.45 and 6,618,612.30 is: 9,927,918.45
Step by Step Solution
- Step 1: Write the proportion equation
11,657,460.30 : 17,486,190.45 = 6,618,612.30 : x - Step 2: Convert to fraction form
11,657,460.30/17,486,190.45 = 6,618,612.30/x - Step 3: Cross multiply
11,657,460.30x = 17,486,190.45 × 6,618,612.30 - Step 4: Simplify right side
11,657,460.30x = 115,734,315,192,512.53 - Step 5: Solve for x
x = 115,734,315,192,512.53/11,657,460.30 - Step 6: Final answer
x = 9,927,918.45
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1.5x scale
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.