Finding the Fourth Proportional to 18,480,055.18, 27,700,535.14 and 6,960,538.30
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Solution
The fourth proportional to 18,480,055.18, 27,700,535.14 and 6,960,538.30 is: 10,433,444.81
Step by Step Solution
- Step 1: Write the proportion equation
18,480,055.18 : 27,700,535.14 = 6,960,538.30 : x - Step 2: Convert to fraction form
18,480,055.18/27,700,535.14 = 6,960,538.30/x - Step 3: Cross multiply
18,480,055.18x = 27,700,535.14 × 6,960,538.30 - Step 4: Simplify right side
18,480,055.18x = 192,810,635,737,663.19 - Step 5: Solve for x
x = 192,810,635,737,663.19/18,480,055.18 - Step 6: Final answer
x = 10,433,444.81
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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.