Finding the Fourth Proportional to 13,238,670.02, 18,270,843.93 and 8,014,556.70
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Solution
The fourth proportional to 13,238,670.02, 18,270,843.93 and 8,014,556.70 is: 11,060,983.80
Step by Step Solution
- Step 1: Write the proportion equation
13,238,670.02 : 18,270,843.93 = 8,014,556.70 : x - Step 2: Convert to fraction form
13,238,670.02/18,270,843.93 = 8,014,556.70/x - Step 3: Cross multiply
13,238,670.02x = 18,270,843.93 × 8,014,556.70 - Step 4: Simplify right side
13,238,670.02x = 146,432,714,633,835.84 - Step 5: Solve for x
x = 146,432,714,633,835.84/13,238,670.02 - Step 6: Final answer
x = 11,060,983.80
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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.