Finding the Fourth Proportional to 28,800,709.12, 43,201,105.26 and 11,761,382.06
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Solution
The fourth proportional to 28,800,709.12, 43,201,105.26 and 11,761,382.06 is: 17,642,090.07
Step by Step Solution
- Step 1: Write the proportion equation
28,800,709.12 : 43,201,105.26 = 11,761,382.06 : x - Step 2: Convert to fraction form
28,800,709.12/43,201,105.26 = 11,761,382.06/x - Step 3: Cross multiply
28,800,709.12x = 43,201,105.26 × 11,761,382.06 - Step 4: Simplify right side
28,800,709.12x = 508,104,704,279,029.06 - Step 5: Solve for x
x = 508,104,704,279,029.06/28,800,709.12 - Step 6: Final answer
x = 17,642,090.07
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.