Finding the Fourth Proportional to 19,493,852.48, 29,241,746.40 and 5,116,961.60
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Solution
The fourth proportional to 19,493,852.48, 29,241,746.40 and 5,116,961.60 is: 7,675,696.41
Step by Step Solution
- Step 1: Write the proportion equation
19,493,852.48 : 29,241,746.40 = 5,116,961.60 : x - Step 2: Convert to fraction form
19,493,852.48/29,241,746.40 = 5,116,961.60/x - Step 3: Cross multiply
19,493,852.48x = 29,241,746.40 × 5,116,961.60 - Step 4: Simplify right side
19,493,852.48x = 149,628,893,445,738.22 - Step 5: Solve for x
x = 149,628,893,445,738.22/19,493,852.48 - Step 6: Final answer
x = 7,675,696.41
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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.