Finding the Fourth Proportional to 7,570,956.13, 10,447,866.20 and 4,133,197.19
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Solution
The fourth proportional to 7,570,956.13, 10,447,866.20 and 4,133,197.19 is: 5,703,783.05
Step by Step Solution
- Step 1: Write the proportion equation
7,570,956.13 : 10,447,866.20 = 4,133,197.19 : x - Step 2: Convert to fraction form
7,570,956.13/10,447,866.20 = 4,133,197.19/x - Step 3: Cross multiply
7,570,956.13x = 10,447,866.20 × 4,133,197.19 - Step 4: Simplify right side
7,570,956.13x = 43,183,091,255,788.64 - Step 5: Solve for x
x = 43,183,091,255,788.64/7,570,956.13 - Step 6: Final answer
x = 5,703,783.05
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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.