Finding the Fourth Proportional to 14,146,729.92, 19,522,487.48 and 7,708,201.92
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Solution
The fourth proportional to 14,146,729.92, 19,522,487.48 and 7,708,201.92 is: 10,637,318.75
Step by Step Solution
- Step 1: Write the proportion equation
14,146,729.92 : 19,522,487.48 = 7,708,201.92 : x - Step 2: Convert to fraction form
14,146,729.92/19,522,487.48 = 7,708,201.92/x - Step 3: Cross multiply
14,146,729.92x = 19,522,487.48 × 7,708,201.92 - Step 4: Simplify right side
14,146,729.92x = 150,483,275,437,970.97 - Step 5: Solve for x
x = 150,483,275,437,970.97/14,146,729.92 - Step 6: Final answer
x = 10,637,318.75
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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.