Finding the Fourth Proportional to 13,305,875.10, 19,958,812.65 and 3,722,003.70
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Solution
The fourth proportional to 13,305,875.10, 19,958,812.65 and 3,722,003.70 is: 5,583,005.55
Step by Step Solution
- Step 1: Write the proportion equation
13,305,875.10 : 19,958,812.65 = 3,722,003.70 : x - Step 2: Convert to fraction form
13,305,875.10/19,958,812.65 = 3,722,003.70/x - Step 3: Cross multiply
13,305,875.10x = 19,958,812.65 × 3,722,003.70 - Step 4: Simplify right side
13,305,875.10x = 74,286,774,530,906.80 - Step 5: Solve for x
x = 74,286,774,530,906.80/13,305,875.10 - Step 6: Final answer
x = 5,583,005.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.