Finding the Fourth Proportional to 10,125,643.20, 13,968,934.72 and 5,937,190.18
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Solution
The fourth proportional to 10,125,643.20, 13,968,934.72 and 5,937,190.18 is: 8,190,711.48
Step by Step Solution
- Step 1: Write the proportion equation
10,125,643.20 : 13,968,934.72 = 5,937,190.18 : x - Step 2: Convert to fraction form
10,125,643.20/13,968,934.72 = 5,937,190.18/x - Step 3: Cross multiply
10,125,643.20x = 13,968,934.72 × 5,937,190.18 - Step 4: Simplify right side
10,125,643.20x = 82,936,222,029,802.06 - Step 5: Solve for x
x = 82,936,222,029,802.06/10,125,643.20 - Step 6: Final answer
x = 8,190,711.48
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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.