Finding the Fourth Proportional to 13,153,119.88, 19,590,983.84 and 12,562,971.34
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Solution
The fourth proportional to 13,153,119.88, 19,590,983.84 and 12,562,971.34 is: 18,711,983.98
Step by Step Solution
- Step 1: Write the proportion equation
13,153,119.88 : 19,590,983.84 = 12,562,971.34 : x - Step 2: Convert to fraction form
13,153,119.88/19,590,983.84 = 12,562,971.34/x - Step 3: Cross multiply
13,153,119.88x = 19,590,983.84 × 12,562,971.34 - Step 4: Simplify right side
13,153,119.88x = 246,120,968,504,323.16 - Step 5: Solve for x
x = 246,120,968,504,323.16/13,153,119.88 - Step 6: Final answer
x = 18,711,983.98
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.