Finding the Fourth Proportional to 33,938,764.40, 46,831,679.22 and 19,999,214.60
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Solution
The fourth proportional to 33,938,764.40, 46,831,679.22 and 19,999,214.60 is: 27,596,667.69
Step by Step Solution
- Step 1: Write the proportion equation
33,938,764.40 : 46,831,679.22 = 19,999,214.60 : x - Step 2: Convert to fraction form
33,938,764.40/46,831,679.22 = 19,999,214.60/x - Step 3: Cross multiply
33,938,764.40x = 46,831,679.22 × 19,999,214.60 - Step 4: Simplify right side
33,938,764.40x = 936,596,802,799,140.62 - Step 5: Solve for x
x = 936,596,802,799,140.62/33,938,764.40 - Step 6: Final answer
x = 27,596,667.69
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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.