Finding the Fourth Proportional to 10,125,643.70, 13,968,935.41 and 5,937,190.68
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Solution
The fourth proportional to 10,125,643.70, 13,968,935.41 and 5,937,190.68 is: 8,190,712.17
Step by Step Solution
- Step 1: Write the proportion equation
10,125,643.70 : 13,968,935.41 = 5,937,190.68 : x - Step 2: Convert to fraction form
10,125,643.70/13,968,935.41 = 5,937,190.68/x - Step 3: Cross multiply
10,125,643.70x = 13,968,935.41 × 5,937,190.68 - Step 4: Simplify right side
10,125,643.70x = 82,936,233,096,088.02 - Step 5: Solve for x
x = 82,936,233,096,088.02/10,125,643.70 - Step 6: Final answer
x = 8,190,712.17
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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.