Finding the Fourth Proportional to 12,101,655.68, 16,700,285.18 and 6,669,147.68
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Solution
The fourth proportional to 12,101,655.68, 16,700,285.18 and 6,669,147.68 is: 9,203,423.99
Step by Step Solution
- Step 1: Write the proportion equation
12,101,655.68 : 16,700,285.18 = 6,669,147.68 : x - Step 2: Convert to fraction form
12,101,655.68/16,700,285.18 = 6,669,147.68/x - Step 3: Cross multiply
12,101,655.68x = 16,700,285.18 × 6,669,147.68 - Step 4: Simplify right side
12,101,655.68x = 111,376,668,221,958.97 - Step 5: Solve for x
x = 111,376,668,221,958.97/12,101,655.68 - Step 6: Final answer
x = 9,203,423.99
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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.