Finding the Fourth Proportional to 22,387,310.40, 33,542,258.40 and 10,395,451.20
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Solution
The fourth proportional to 22,387,310.40, 33,542,258.40 and 10,395,451.20 is: 15,575,203.28
Step by Step Solution
- Step 1: Write the proportion equation
22,387,310.40 : 33,542,258.40 = 10,395,451.20 : x - Step 2: Convert to fraction form
22,387,310.40/33,542,258.40 = 10,395,451.20/x - Step 3: Cross multiply
22,387,310.40x = 33,542,258.40 × 10,395,451.20 - Step 4: Simplify right side
22,387,310.40x = 348,686,910,334,990.06 - Step 5: Solve for x
x = 348,686,910,334,990.06/22,387,310.40 - Step 6: Final answer
x = 15,575,203.28
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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.