Finding the Fourth Proportional to 7,127,023.14, 10,690,534.51 and 3,287,709.63
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Solution
The fourth proportional to 7,127,023.14, 10,690,534.51 and 3,287,709.63 is: 4,931,564.36
Step by Step Solution
- Step 1: Write the proportion equation
7,127,023.14 : 10,690,534.51 = 3,287,709.63 : x - Step 2: Convert to fraction form
7,127,023.14/10,690,534.51 = 3,287,709.63/x - Step 3: Cross multiply
7,127,023.14x = 10,690,534.51 × 3,287,709.63 - Step 4: Simplify right side
7,127,023.14x = 35,147,373,280,222.19 - Step 5: Solve for x
x = 35,147,373,280,222.19/7,127,023.14 - Step 6: Final answer
x = 4,931,564.36
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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.