Finding the Fourth Proportional to 19,921,334.28, 27,504,134.59 and 16,258,986.81
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Solution
The fourth proportional to 19,921,334.28, 27,504,134.59 and 16,258,986.81 is: 22,447,761.54
Step by Step Solution
- Step 1: Write the proportion equation
19,921,334.28 : 27,504,134.59 = 16,258,986.81 : x - Step 2: Convert to fraction form
19,921,334.28/27,504,134.59 = 16,258,986.81/x - Step 3: Cross multiply
19,921,334.28x = 27,504,134.59 × 16,258,986.81 - Step 4: Simplify right side
19,921,334.28x = 447,189,361,478,627.25 - Step 5: Solve for x
x = 447,189,361,478,627.25/19,921,334.28 - Step 6: Final answer
x = 22,447,761.54
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.