Finding the Fourth Proportional to 33,591,491.96, 46,356,145.23 and 18,907,149.74
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Solution
The fourth proportional to 33,591,491.96, 46,356,145.23 and 18,907,149.74 is: 26,091,802.65
Step by Step Solution
- Step 1: Write the proportion equation
33,591,491.96 : 46,356,145.23 = 18,907,149.74 : x - Step 2: Convert to fraction form
33,591,491.96/46,356,145.23 = 18,907,149.74/x - Step 3: Cross multiply
33,591,491.96x = 46,356,145.23 × 18,907,149.74 - Step 4: Simplify right side
33,591,491.96x = 876,462,579,001,015.88 - Step 5: Solve for x
x = 876,462,579,001,015.88/33,591,491.96 - Step 6: Final answer
x = 26,091,802.65
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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.