Finding the Fourth Proportional to 51,272,696.88, 70,756,316.36 and 27,751,229.46
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Solution
The fourth proportional to 51,272,696.88, 70,756,316.36 and 27,751,229.46 is: 38,296,693.76
Step by Step Solution
- Step 1: Write the proportion equation
51,272,696.88 : 70,756,316.36 = 27,751,229.46 : x - Step 2: Convert to fraction form
51,272,696.88/70,756,316.36 = 27,751,229.46/x - Step 3: Cross multiply
51,272,696.88x = 70,756,316.36 × 27,751,229.46 - Step 4: Simplify right side
51,272,696.88x = 1,963,574,770,911,956 - Step 5: Solve for x
x = 1,963,574,770,911,956/51,272,696.88 - Step 6: Final answer
x = 38,296,693.76
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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.