Finding the Fourth Proportional to 34,428,292.07, 47,507,431.01 and 19,538,874.60
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Solution
The fourth proportional to 34,428,292.07, 47,507,431.01 and 19,538,874.60 is: 26,961,597.03
Step by Step Solution
- Step 1: Write the proportion equation
34,428,292.07 : 47,507,431.01 = 19,538,874.60 : x - Step 2: Convert to fraction form
34,428,292.07/47,507,431.01 = 19,538,874.60/x - Step 3: Cross multiply
34,428,292.07x = 47,507,431.01 × 19,538,874.60 - Step 4: Simplify right side
34,428,292.07x = 928,241,736,974,847.12 - Step 5: Solve for x
x = 928,241,736,974,847.12/34,428,292.07 - Step 6: Final answer
x = 26,961,597.03
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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.