Finding the Fourth Proportional to 17,457,128.79, 24,091,585.16 and 9,722,171.09
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Solution
The fourth proportional to 17,457,128.79, 24,091,585.16 and 9,722,171.09 is: 13,417,012.35
Step by Step Solution
- Step 1: Write the proportion equation
17,457,128.79 : 24,091,585.16 = 9,722,171.09 : x - Step 2: Convert to fraction form
17,457,128.79/24,091,585.16 = 9,722,171.09/x - Step 3: Cross multiply
17,457,128.79x = 24,091,585.16 × 9,722,171.09 - Step 4: Simplify right side
17,457,128.79x = 234,222,512,585,756.28 - Step 5: Solve for x
x = 234,222,512,585,756.28/17,457,128.79 - Step 6: Final answer
x = 13,417,012.35
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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.