Finding the Fourth Proportional to 27,158,693.84, 37,478,249.80 and 14,935,550.80
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Solution
The fourth proportional to 27,158,693.84, 37,478,249.80 and 14,935,550.80 is: 20,610,648.92
Step by Step Solution
- Step 1: Write the proportion equation
27,158,693.84 : 37,478,249.80 = 14,935,550.80 : x - Step 2: Convert to fraction form
27,158,693.84/37,478,249.80 = 14,935,550.80/x - Step 3: Cross multiply
27,158,693.84x = 37,478,249.80 × 14,935,550.80 - Step 4: Simplify right side
27,158,693.84x = 559,758,303,782,989.81 - Step 5: Solve for x
x = 559,758,303,782,989.81/27,158,693.84 - Step 6: Final answer
x = 20,610,648.92
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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.