Finding the Fourth Proportional to 40,724,430.32, 56,183,811.84 and 23,311,469.84
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Solution
The fourth proportional to 40,724,430.32, 56,183,811.84 and 23,311,469.84 is: 32,160,725.76
Step by Step Solution
- Step 1: Write the proportion equation
40,724,430.32 : 56,183,811.84 = 23,311,469.84 : x - Step 2: Convert to fraction form
40,724,430.32/56,183,811.84 = 23,311,469.84/x - Step 3: Cross multiply
40,724,430.32x = 56,183,811.84 × 23,311,469.84 - Step 4: Simplify right side
40,724,430.32x = 1,309,727,235,204,395 - Step 5: Solve for x
x = 1,309,727,235,204,395/40,724,430.32 - Step 6: Final answer
x = 32,160,725.76
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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.