Finding the Fourth Proportional to 19,498,745.85, 26,936,297.60 and 15,573,348.25
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Solution
The fourth proportional to 19,498,745.85, 26,936,297.60 and 15,573,348.25 is: 21,513,606.38
Step by Step Solution
- Step 1: Write the proportion equation
19,498,745.85 : 26,936,297.60 = 15,573,348.25 : x - Step 2: Convert to fraction form
19,498,745.85/26,936,297.60 = 15,573,348.25/x - Step 3: Cross multiply
19,498,745.85x = 26,936,297.60 × 15,573,348.25 - Step 4: Simplify right side
19,498,745.85x = 419,488,343,090,439.25 - Step 5: Solve for x
x = 419,488,343,090,439.25/19,498,745.85 - Step 6: Final answer
x = 21,513,606.38
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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.