Finding the Fourth Proportional to 9,126,266.36, 13,702,856.70 and 5,090,639
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Solution
The fourth proportional to 9,126,266.36, 13,702,856.70 and 5,090,639 is: 7,643,464.92
Step by Step Solution
- Step 1: Write the proportion equation
9,126,266.36 : 13,702,856.70 = 5,090,639 : x - Step 2: Convert to fraction form
9,126,266.36/13,702,856.70 = 5,090,639/x - Step 3: Cross multiply
9,126,266.36x = 13,702,856.70 × 5,090,639 - Step 4: Simplify right side
9,126,266.36x = 69,756,296,728,431.30 - Step 5: Solve for x
x = 69,756,296,728,431.30/9,126,266.36 - Step 6: Final answer
x = 7,643,464.92
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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.