Finding the Fourth Proportional to 49,572,856.44, 68,409,177.12 and 27,545,786.10
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Solution
The fourth proportional to 49,572,856.44, 68,409,177.12 and 27,545,786.10 is: 38,012,426.47
Step by Step Solution
- Step 1: Write the proportion equation
49,572,856.44 : 68,409,177.12 = 27,545,786.10 : x - Step 2: Convert to fraction form
49,572,856.44/68,409,177.12 = 27,545,786.10/x - Step 3: Cross multiply
49,572,856.44x = 68,409,177.12 × 27,545,786.10 - Step 4: Simplify right side
49,572,856.44x = 1,884,384,560,224,534.25 - Step 5: Solve for x
x = 1,884,384,560,224,534.25/49,572,856.44 - Step 6: Final answer
x = 38,012,426.47
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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.