Finding the Fourth Proportional to 11,814,783.12, 16,307,434.08 and 7,695,079.92
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Solution
The fourth proportional to 11,814,783.12, 16,307,434.08 and 7,695,079.92 is: 10,621,185.96
Step by Step Solution
- Step 1: Write the proportion equation
11,814,783.12 : 16,307,434.08 = 7,695,079.92 : x - Step 2: Convert to fraction form
11,814,783.12/16,307,434.08 = 7,695,079.92/x - Step 3: Cross multiply
11,814,783.12x = 16,307,434.08 × 7,695,079.92 - Step 4: Simplify right side
11,814,783.12x = 125,487,008,535,731.67 - Step 5: Solve for x
x = 125,487,008,535,731.67/11,814,783.12 - Step 6: Final answer
x = 10,621,185.96
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1.5x scale
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.