Finding the Fourth Proportional to 12,937,039.48, 17,852,801.68 and 7,135,696.66
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Solution
The fourth proportional to 12,937,039.48, 17,852,801.68 and 7,135,696.66 is: 9,847,088.86
Step by Step Solution
- Step 1: Write the proportion equation
12,937,039.48 : 17,852,801.68 = 7,135,696.66 : x - Step 2: Convert to fraction form
12,937,039.48/17,852,801.68 = 7,135,696.66/x - Step 3: Cross multiply
12,937,039.48x = 17,852,801.68 × 7,135,696.66 - Step 4: Simplify right side
12,937,039.48x = 127,392,177,319,618.39 - Step 5: Solve for x
x = 127,392,177,319,618.39/12,937,039.48 - Step 6: Final answer
x = 9,847,088.86
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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.