Finding the Fourth Proportional to 19,725,963.68, 27,222,670.60 and 11,024,136.05
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Solution
The fourth proportional to 19,725,963.68, 27,222,670.60 and 11,024,136.05 is: 15,213,777.59
Step by Step Solution
- Step 1: Write the proportion equation
19,725,963.68 : 27,222,670.60 = 11,024,136.05 : x - Step 2: Convert to fraction form
19,725,963.68/27,222,670.60 = 11,024,136.05/x - Step 3: Cross multiply
19,725,963.68x = 27,222,670.60 × 11,024,136.05 - Step 4: Simplify right side
19,725,963.68x = 300,106,424,175,061.44 - Step 5: Solve for x
x = 300,106,424,175,061.44/19,725,963.68 - Step 6: Final answer
x = 15,213,777.59
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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.