Finding the Fourth Proportional to 18,480,055.56, 27,700,535.70 and 6,960,538.68
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Solution
The fourth proportional to 18,480,055.56, 27,700,535.70 and 6,960,538.68 is: 10,433,445.37
Step by Step Solution
- Step 1: Write the proportion equation
18,480,055.56 : 27,700,535.70 = 6,960,538.68 : x - Step 2: Convert to fraction form
18,480,055.56/27,700,535.70 = 6,960,538.68/x - Step 3: Cross multiply
18,480,055.56x = 27,700,535.70 × 6,960,538.68 - Step 4: Simplify right side
18,480,055.56x = 192,810,650,092,693.84 - Step 5: Solve for x
x = 192,810,650,092,693.84/18,480,055.56 - Step 6: Final answer
x = 10,433,445.37
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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.