Finding the Fourth Proportional to 19,801,168.98, 29,701,776.87 and 5,424,360.58
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Solution
The fourth proportional to 19,801,168.98, 29,701,776.87 and 5,424,360.58 is: 8,136,547.28
Step by Step Solution
- Step 1: Write the proportion equation
19,801,168.98 : 29,701,776.87 = 5,424,360.58 : x - Step 2: Convert to fraction form
19,801,168.98/29,701,776.87 = 5,424,360.58/x - Step 3: Cross multiply
19,801,168.98x = 29,701,776.87 × 5,424,360.58 - Step 4: Simplify right side
19,801,168.98x = 161,113,147,609,583.78 - Step 5: Solve for x
x = 161,113,147,609,583.78/19,801,168.98 - Step 6: Final answer
x = 8,136,547.28
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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.