Finding the Fourth Proportional to 40,414,831.64, 55,772,489.99 and 21,829,971.67
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Solution
The fourth proportional to 40,414,831.64, 55,772,489.99 and 21,829,971.67 is: 30,125,372.96
Step by Step Solution
- Step 1: Write the proportion equation
40,414,831.64 : 55,772,489.99 = 21,829,971.67 : x - Step 2: Convert to fraction form
40,414,831.64/55,772,489.99 = 21,829,971.67/x - Step 3: Cross multiply
40,414,831.64x = 55,772,489.99 × 21,829,971.67 - Step 4: Simplify right side
40,414,831.64x = 1,217,511,876,362,202.25 - Step 5: Solve for x
x = 1,217,511,876,362,202.25/40,414,831.64 - Step 6: Final answer
x = 30,125,372.96
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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.