Finding the Fourth Proportional to 18,480,148.74, 27,700,675.50 and 6,960,631.68
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Solution
The fourth proportional to 18,480,148.74, 27,700,675.50 and 6,960,631.68 is: 10,433,584.82
Step by Step Solution
- Step 1: Write the proportion equation
18,480,148.74 : 27,700,675.50 = 6,960,631.68 : x - Step 2: Convert to fraction form
18,480,148.74/27,700,675.50 = 6,960,631.68/x - Step 3: Cross multiply
18,480,148.74x = 27,700,675.50 × 6,960,631.68 - Step 4: Simplify right side
18,480,148.74x = 192,814,199,442,699.84 - Step 5: Solve for x
x = 192,814,199,442,699.84/18,480,148.74 - Step 6: Final answer
x = 10,433,584.82
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1.5x scale
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.