Finding the Fourth Proportional to 22,395,361.19, 33,539,233.28 and 12,781,593.50
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Solution
The fourth proportional to 22,395,361.19, 33,539,233.28 and 12,781,593.50 is: 19,141,680.38
Step by Step Solution
- Step 1: Write the proportion equation
22,395,361.19 : 33,539,233.28 = 12,781,593.50 : x - Step 2: Convert to fraction form
22,395,361.19/33,539,233.28 = 12,781,593.50/x - Step 3: Cross multiply
22,395,361.19x = 33,539,233.28 × 12,781,593.50 - Step 4: Simplify right side
22,395,361.19x = 428,684,845,855,027.50 - Step 5: Solve for x
x = 428,684,845,855,027.50/22,395,361.19 - Step 6: Final answer
x = 19,141,680.38
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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.