Finding the Fourth Proportional to 8,686,243.74, 11,987,030.46 and 4,818,764.90
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Solution
The fourth proportional to 8,686,243.74, 11,987,030.46 and 4,818,764.90 is: 6,649,903.38
Step by Step Solution
- Step 1: Write the proportion equation
8,686,243.74 : 11,987,030.46 = 4,818,764.90 : x - Step 2: Convert to fraction form
8,686,243.74/11,987,030.46 = 4,818,764.90/x - Step 3: Cross multiply
8,686,243.74x = 11,987,030.46 × 4,818,764.90 - Step 4: Simplify right side
8,686,243.74x = 57,762,681,635,878.86 - Step 5: Solve for x
x = 57,762,681,635,878.86/8,686,243.74 - Step 6: Final answer
x = 6,649,903.38
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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.