Finding the Fourth Proportional to 19,801,170.98, 29,701,779.87 and 5,424,362.58
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Solution
The fourth proportional to 19,801,170.98, 29,701,779.87 and 5,424,362.58 is: 8,136,550.28
Step by Step Solution
- Step 1: Write the proportion equation
19,801,170.98 : 29,701,779.87 = 5,424,362.58 : x - Step 2: Convert to fraction form
19,801,170.98/29,701,779.87 = 5,424,362.58/x - Step 3: Cross multiply
19,801,170.98x = 29,701,779.87 × 5,424,362.58 - Step 4: Simplify right side
19,801,170.98x = 161,113,223,286,225.28 - Step 5: Solve for x
x = 161,113,223,286,225.28/19,801,170.98 - Step 6: Final answer
x = 8,136,550.28
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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.