Finding the Fourth Proportional to 8,430,360.36, 11,634,178.92 and 5,166,544.47
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Solution
The fourth proportional to 8,430,360.36, 11,634,178.92 and 5,166,544.47 is: 7,130,003.96
Step by Step Solution
- Step 1: Write the proportion equation
8,430,360.36 : 11,634,178.92 = 5,166,544.47 : x - Step 2: Convert to fraction form
8,430,360.36/11,634,178.92 = 5,166,544.47/x - Step 3: Cross multiply
8,430,360.36x = 11,634,178.92 × 5,166,544.47 - Step 4: Simplify right side
8,430,360.36x = 60,108,502,762,116.57 - Step 5: Solve for x
x = 60,108,502,762,116.57/8,430,360.36 - Step 6: Final answer
x = 7,130,003.96
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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.