Finding the Fourth Proportional to 19,761,455.53, 27,273,672.71 and 11,387,196.08
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Solution
The fourth proportional to 19,761,455.53, 27,273,672.71 and 11,387,196.08 is: 15,715,980.96
Step by Step Solution
- Step 1: Write the proportion equation
19,761,455.53 : 27,273,672.71 = 11,387,196.08 : x - Step 2: Convert to fraction form
19,761,455.53/27,273,672.71 = 11,387,196.08/x - Step 3: Cross multiply
19,761,455.53x = 27,273,672.71 × 11,387,196.08 - Step 4: Simplify right side
19,761,455.53x = 310,570,658,922,188.88 - Step 5: Solve for x
x = 310,570,658,922,188.88/19,761,455.53 - Step 6: Final answer
x = 15,715,980.96
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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.