Finding the Fourth Proportional to 17,190,175.09, 25,782,459.66 and 5,056,800.91
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Solution
The fourth proportional to 17,190,175.09, 25,782,459.66 and 5,056,800.91 is: 7,584,376.82
Step by Step Solution
- Step 1: Write the proportion equation
17,190,175.09 : 25,782,459.66 = 5,056,800.91 : x - Step 2: Convert to fraction form
17,190,175.09/25,782,459.66 = 5,056,800.91/x - Step 3: Cross multiply
17,190,175.09x = 25,782,459.66 × 5,056,800.91 - Step 4: Simplify right side
17,190,175.09x = 130,376,765,470,726.30 - Step 5: Solve for x
x = 130,376,765,470,726.30/17,190,175.09 - Step 6: Final answer
x = 7,584,376.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.