Finding the Fourth Proportional to 13,301,213.95, 19,951,700.60 and 4,203,313.03
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Solution
The fourth proportional to 13,301,213.95, 19,951,700.60 and 4,203,313.03 is: 6,304,931.52
Step by Step Solution
- Step 1: Write the proportion equation
13,301,213.95 : 19,951,700.60 = 4,203,313.03 : x - Step 2: Convert to fraction form
13,301,213.95/19,951,700.60 = 4,203,313.03/x - Step 3: Cross multiply
13,301,213.95x = 19,951,700.60 × 4,203,313.03 - Step 4: Simplify right side
13,301,213.95x = 83,863,243,081,622.25 - Step 5: Solve for x
x = 83,863,243,081,622.25/13,301,213.95 - Step 6: Final answer
x = 6,304,931.52
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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.