Finding the Fourth Proportional to 27,571,669.56, 41,357,556.18 and 11,379,860.28
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Solution
The fourth proportional to 27,571,669.56, 41,357,556.18 and 11,379,860.28 is: 17,069,811.82
Step by Step Solution
- Step 1: Write the proportion equation
27,571,669.56 : 41,357,556.18 = 11,379,860.28 : x - Step 2: Convert to fraction form
27,571,669.56/41,357,556.18 = 11,379,860.28/x - Step 3: Cross multiply
27,571,669.56x = 41,357,556.18 × 11,379,860.28 - Step 4: Simplify right side
27,571,669.56x = 470,643,210,850,650.50 - Step 5: Solve for x
x = 470,643,210,850,650.50/27,571,669.56 - Step 6: Final answer
x = 17,069,811.82
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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.