Finding the Fourth Proportional to 9,659,217.95, 13,329,442.91 and 5,308,298.99
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Solution
The fourth proportional to 9,659,217.95, 13,329,442.91 and 5,308,298.99 is: 7,325,299.90
Step by Step Solution
- Step 1: Write the proportion equation
9,659,217.95 : 13,329,442.91 = 5,308,298.99 : x - Step 2: Convert to fraction form
9,659,217.95/13,329,442.91 = 5,308,298.99/x - Step 3: Cross multiply
9,659,217.95x = 13,329,442.91 × 5,308,298.99 - Step 4: Simplify right side
9,659,217.95x = 70,756,668,309,874.17 - Step 5: Solve for x
x = 70,756,668,309,874.17/9,659,217.95 - Step 6: Final answer
x = 7,325,299.90
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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.