Finding the Fourth Proportional to 49,927,285.81, 68,899,747.76 and 27,900,785.26
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Solution
The fourth proportional to 49,927,285.81, 68,899,747.76 and 27,900,785.26 is: 38,503,135.82
Step by Step Solution
- Step 1: Write the proportion equation
49,927,285.81 : 68,899,747.76 = 27,900,785.26 : x - Step 2: Convert to fraction form
49,927,285.81/68,899,747.76 = 27,900,785.26/x - Step 3: Cross multiply
49,927,285.81x = 68,899,747.76 × 27,900,785.26 - Step 4: Simplify right side
49,927,285.81x = 1,922,357,066,445,179.25 - Step 5: Solve for x
x = 1,922,357,066,445,179.25/49,927,285.81 - Step 6: Final answer
x = 38,503,135.82
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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.