Finding the Fourth Proportional to 25,614,638.13, 35,348,094.86 and 13,853,919.53
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Solution
The fourth proportional to 25,614,638.13, 35,348,094.86 and 13,853,919.53 is: 19,118,351.75
Step by Step Solution
- Step 1: Write the proportion equation
25,614,638.13 : 35,348,094.86 = 13,853,919.53 : x - Step 2: Convert to fraction form
25,614,638.13/35,348,094.86 = 13,853,919.53/x - Step 3: Cross multiply
25,614,638.13x = 35,348,094.86 × 13,853,919.53 - Step 4: Simplify right side
25,614,638.13x = 489,709,661,737,591.12 - Step 5: Solve for x
x = 489,709,661,737,591.12/25,614,638.13 - Step 6: Final answer
x = 19,118,351.75
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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.