Finding the Fourth Proportional to 49,370,237.10, 68,126,883.84 and 28,176,912.32
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Solution
The fourth proportional to 49,370,237.10, 68,126,883.84 and 28,176,912.32 is: 38,881,831.34
Step by Step Solution
- Step 1: Write the proportion equation
49,370,237.10 : 68,126,883.84 = 28,176,912.32 : x - Step 2: Convert to fraction form
49,370,237.10/68,126,883.84 = 28,176,912.32/x - Step 3: Cross multiply
49,370,237.10x = 68,126,883.84 × 28,176,912.32 - Step 4: Simplify right side
49,370,237.10x = 1,919,605,232,253,870.75 - Step 5: Solve for x
x = 1,919,605,232,253,870.75/49,370,237.10 - Step 6: Final answer
x = 38,881,831.34
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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.